All famous cases
Real, widely reported encounters from around the world: lights in the sky, visitors and figures, creatures, strange sounds and places where something keeps happening. Each case file sets out what witnesses reported and the explanations that have been offered, without taking a side.
Sky · 99
The 'Gimbal' and 'GoFast' VideosDisputedOff the coast of Florida, Atlantic Ocean · 2015; released 2017–2020The Allende MeteoriteConfirmedPueblito de Allende, Chihuahua, Mexico · 8 February 1969The Asteroid Seen Before It StruckConfirmedCentral Kalahari Game Reserve, Botswana · 2 June 2018The Ball Lightning of QinghaiPartly explainedQinghai Plateau, China · July 2012The Bariloche IncidentDisputedSan Carlos de Bariloche, Río Negro, Argentina · 31 July 1995The Barra da Tijuca PhotographsProbably a hoaxBarra da Tijuca, Rio de Janeiro, Brazil · May 1952The Belgian UFO WaveUnexplainedBelgium · November 1989 – April 1990The Bendegó MeteoriteConfirmedMonte Santo, Bahia, Brazil · Found in 1784The Berwyn Mountain IncidentMostly explainedBerwyn Mountains, near Llandrillo, Wales · 23 January 1974The BoitatáMostly explainedSouthern Brazil · Recorded since 1560The Bonilla ObservationDisputedZacatecas Observatory, Zacatecas, Mexico · 12–13 August 1883Brazil's Night of the UFOsUnexplainedSão Paulo, Rio de Janeiro and nearby states, Brazil · 19 May 1986The Brocken SpectreExplainedThe Brocken, Harz Mountains, Germany · Described since 1780The Brown Mountain LightsDisputedBrown Mountain, North Carolina, USA · Reported since the early 1900sThe Campeche Infrared VideoMostly explainedOver Campeche, Mexico · 5 March 2004The Catatumbo LightningExplainedLake Maracaibo, Zulia, Venezuela · Most nights of the yearThe Chandrapur FireballExplainedSindewahi, Chandrapur district, Maharashtra, India · 2 April 2022Charlie Red StarUnexplainedCarman, Manitoba, Canada · 1975 – 1976The Chilean Navy VideoExplainedOff the coast near San Antonio, Valparaíso, Chile · 11 November 2014Chir BattiUnexplainedBanni grasslands, Kutch, India · Reported for generationsThe Cosford IncidentMostly explainedRAF Cosford, Shropshire, England · 30–31 March 1993The Crater Found on Google EarthConfirmedKamil Crater, East Uweinat, Egypt · Formed within the last 5,000 years; found in 2008The Crater That Ended the DinosaursConfirmedChicxulub, Yucatán, Mexico · About 66 million years ago; found in 1978The Crystal Eye of NunavikExplainedPingualuit, Nunavik, Quebec, Canada · Formed about 1.4 million years agoThe Dhajala Meteorite ShowerConfirmedDhajala, Surendranagar, Gujarat, India · 28 January 1976The Earthquake Lights over LimaPartly explainedLima, Peru · 15 August 2007The Ensisheim ThunderstoneConfirmedEnsisheim, Alsace, France · 7 November 1492The Fata Morgana of MessinaExplainedStrait of Messina, between Sicily and Calabria, Italy · Recorded for centuriesThe Field of the SkyConfirmedCampo del Cielo, Chaco, Argentina · Fell about 4,000 years agoThe First Asteroid Caught Before ImpactConfirmedNubian Desert, Sudan · 7 October 2008The Florence Stadium SightingDisputedStadio Artemio Franchi, Florence, Italy · 27 October 1954The Fox Fires of ŌjiMostly explainedŌji Inari Shrine, Tokyo, Japan · Told for centuriesThe Gangwon Sightings of 1609UnexplainedGangwon Province, Korea · September 1609The Gulf Breeze PhotographsProbably a hoaxGulf Breeze, Florida, USA · 1987 – 1988The Hangzhou Airport ClosureDisputedXiaoshan International Airport, Hangzhou, China · 7 July 2010The Hessdalen LightsUnexplainedTrøndelag, Norway · Since the early 1980sThe Hoba MeteoriteConfirmedNear Grootfontein, Otjozondjupa, Namibia · Found in 1920The Hudson Valley BoomerangMostly explainedHudson Valley, New York, USA · 1982 – 1986The Incident at ExeterDisputedExeter, New Hampshire, USA · 3 September 1965Japan Air Lines Flight 1628DisputedOver north-eastern Alaska, USA · 17 November 1986The Kaikōura LightsDisputedOff Kaikōura, South Island, New Zealand · December 1978The Kecksburg FireballDisputedKecksburg, Pennsylvania, USA · 9 December 1965Kenneth Arnold's SightingDisputedNear Mount Rainier, Washington, USA · 24 June 1947Kifuka, Africa's Lightning CapitalExplainedKifuka, South Kivu, Democratic Republic of the Congo · Every yearThe Kumburgaz VideosDisputedKumburgaz, Istanbul, Türkiye · 2007 – 2009The Kuwait Oil Field SightingUnexplainedNorthern oil fields, Kuwait · November – December 1978The Ladakh LightsExplainedThakung, near Pangong Tso, Ladakh, India · August 2012 – early 2013The Lake Cote PhotographUnexplainedLake Cote, Guanacaste, Costa Rica · 4 September 1971The Lakenheath-Bentwaters Radar CaseUnexplainedRAF Lakenheath, Suffolk, England · 13–14 August 1956The Levelland SightingsDisputedLevelland, Texas, USA · 2–3 November 1957The Lights Over Punjab and JammuExplainedPathankot, Punjab, and Jammu, India · June and December 2021The Lubbock LightsMostly explainedLubbock, Texas, USA · August – September 1951The Luz MalaLegendThe Pampas, Argentina · Told for generationsThe Manises IncidentDisputedOver the Mediterranean, landing at Valencia, Spain · 11 November 1979The Marfa LightsDisputedMarfa, Texas, USA · Reported since the 1880sThe Mars Rock from AntarcticaDisputedAllan Hills, Antarctica · Found 1984; claim made in 1996The Mbale MeteoriteConfirmedMbale, Uganda · 14 August 1992The Mexico City Eclipse LightsMostly explainedMexico City, Mexico · 11 July 1991The Min Min LightsDisputedBoulia, Channel Country, Queensland, Australia · Reported since the 1800sThe Missile Base Incident of 1982DisputedNear Usovo, Zhytomyr Oblast, Ukraine · 4 October 1982The Morning Glory CloudsExplainedBurketown, Gulf of Carpentaria, Queensland, Australia · Most years, September to NovemberThe Mukundpura MeteoriteConfirmedMukundpura, near Jaipur, Rajasthan, India · 6 June 2017The Murchison MeteoriteConfirmedMurchison, Victoria, Australia · 28 September 1969The Naga FireballsDisputedMekong River, Nong Khai, Thailand · Every year, at the end of Buddhist LentThe Night the Forest Fell in GuizhouMostly explainedDuxi forest, near Guiyang, Guizhou, China · 30 November 1994The Nimitz 'Tic Tac'UnexplainedPacific Ocean, off Baja California · 14 November 2004The Norway SpiralExplainedNorthern Norway · 9 December 2009The Nuremberg Sky BattleMostly explainedNuremberg, Germany · 14 April 1561The O'Hare Airport SightingDisputedO'Hare International Airport, Chicago, Illinois, USA · 7 November 2006The Paulding LightExplainedRobbins Pond Road, near Paulding, Michigan, USA · Reported since the 1960s; tested in 2010The Petrozavodsk PhenomenonExplainedPetrozavodsk, Karelia, Russia (then USSR) · 20 September 1977The Phoenix LightsDisputedPhoenix, Arizona, USA · 13 March 1997The Polonnaruwa MeteoriteClaims rejectedPolonnaruwa, North Central Province, Sri Lanka · 29 December 2012The Popocatépetl Webcam ObjectsMostly explainedPopocatépetl volcano, Puebla, Mexico · From 2012The Příbram MeteoriteConfirmedPříbram, Central Bohemia, Czech Republic · 7 April 1959The Rain of Fish in YoroDisputedYoro, Honduras · Every year, in the rainy seasonThe Red Rain of KeralaExplainedKottayam and Idukki, Kerala, India · July – September 2001The Red SpritesConfirmedMinnesota, USA, and above storms worldwide · Reported by pilots for decades; filmed in 1989The Rockets of 1946UnexplainedLake Kölmjärv, Norrbotten, and across Sweden · Summer 1946The Roswell IncidentOfficially explainedRoswell, New Mexico, USA · July 1947Shag HarbourUnexplainedNova Scotia, Canada · 4 October 1967The Shiranui LightsMostly explainedYatsushiro Sea, Kumamoto, Japan · Recorded for over a thousand yearsThe Sikhote-Alin MeteoriteConfirmedSikhote-Alin Mountains, Primorsky Krai, Russia · 12 February 1947St Elmo's FireExplainedGaeta and the Mediterranean, Italy · Reported since ancient timesThe Stephenville LightsMostly explainedStephenville, Texas, USA · 8 January 2008The Sulawesi FireballConfirmedWatampone, Bone, South Sulawesi, Indonesia · 8 October 2009The Tagish Lake MeteoriteConfirmedTagish Lake, British Columbia, Canada · 18 January 2000The Tehran IncidentUnexplainedTehran, Iran · 19 September 1976The Tissint Mars MeteoriteConfirmedTata Province, Morocco · 18 July 2011The Trindade Island PhotographsDisputedTrindade Island, South Atlantic, Brazil · 16 January 1958The Tunguska EventMostly explainedSiberia, Russia · 30 June 1908The Ubatuba FragmentsDisputedUbatuba, São Paulo, Brazil · September 1957The Viñales MeteoriteConfirmedViñales, Pinar del Río, Cuba · 1 February 2019The Vitim FireballMostly explainedBodaybo district, Irkutsk Oblast, Russia · 24–25 September 2002The Wabar CratersConfirmedRub' al Khali (Empty Quarter), Saudi Arabia · Found in 1932The Washington FlapDisputedWashington, D.C., USA · July 1952The Westall SightingUnexplainedMelbourne, Australia · 6 April 1966The Wold Cottage MeteoriteConfirmedWold Newton, East Riding of Yorkshire, England · 13 December 1795The Wolfe Creek CraterExplainedKimberley, Western Australia · Formed about 120,000 years ago
Visitors · 92
The 'Astronaut' of PalenqueExplainedTemple of the Inscriptions, Palenque, Chiapas, Mexico · Carved in 683 CE; claims since 1968The 'Light Bulbs' of DenderaExplainedTemple of Hathor, Dendera, Egypt · Carved about 2,000 years agoThe 'Martians' of TassiliMostly explainedTassili n'Ajjer, Algeria · Paintings thousands of years old; named in the 1950sThe AbatwaLegendKwaZulu-Natal, South Africa · Told for generationsThe Allagash AbductionsDisputedEagle Lake, Allagash Wilderness, Maine, USA · August 1976The Aluxes of YucatánLegendYucatán Peninsula, Mexico · Told for generationsThe Ängelholm EncounterDisputedKronoskogen, Ängelholm, Sweden · 18 May 1946; told publicly from 1971The Anunnaki of SumerMostly explainedNippur, ancient Sumer, Iraq · Claims since 1976The Ariel School EncounterUnexplainedRuwa, Zimbabwe · 16 September 1994The Armando Valdés CaseUnexplainedNear Putre, Arica, Chile · 25 April 1977The Aurora AirshipProbably a hoaxAurora, Wise County, Texas, USA · 17 April 1897The Aveley EncounterDisputedAveley, Essex, England · 27 October 1974The BacooLegendCoastal Guyana · Told for generationsThe Bebedouro CaseDisputedBebedouro, Minas Gerais, Brazil · 4–9 May 1969Betty and Barney HillDisputedWhite Mountains, New Hampshire, USA · 19–20 September 1961The Big Grey Man of Ben MacdhuiMostly explainedBen Macdhui, Cairngorms, Scotland · Reported since 1925The Billy Meier PhotographsHoaxSchmidrüti, Zürich, Switzerland · From 1975The Broad Haven School SightingDisputedBroad Haven, Pembrokeshire, Wales · 4 February 1977The Buff Ledge EncounterDisputedBuff Ledge, Lake Champlain, Vermont, USA · 7 August 1968The Canary Islands SphereExplainedGran Canaria, Canary Islands, Spain · 22 June 1976The Cergy-Pontoise CaseHoaxCergy-Pontoise, Val-d'Oise, France · 26 November 1979The Cottingley FairiesHoaxCottingley, West Yorkshire, England · 1917 – 1920The Crystal SkullsMostly explainedLubaantun, Toledo District, Belize · Claimed finds from the 1800s and 1924The Cussac EncounterUnexplainedCussac, Cantal, France · 29 August 1967The Dechmont Woods EncounterDisputedDechmont Law, near Livingston, Scotland · 9 November 1979The Dionisio Llanca CaseDisputedNear Bahía Blanca, Buenos Aires Province, Argentina · 28 October 1973The Dogon and SiriusMostly explainedBandiagara Escarpment, Mali · Reported in the 1930s–1950sThe DokkaebiLegendAcross Korea · Told for centuriesThe DomovoyLegendVillages of northern Russia · Told for centuriesThe Dropa StonesHoaxBayan Har Mountains, Qinghai, China · Story spread from the 1960sThe DuendeLegendAndalusia, Spain · Told for centuriesEl SombrerónLegendAntigua and across Guatemala · Told for generationsThe Emilcin EncounterDisputedEmilcin, Lublin Voivodeship, Poland · 10 May 1978The Enchanted Moorish MaidensLegendMinho, northern Portugal · Told for centuriesThe Encounter of Rosa LottiUnexplainedCennina, Tuscany, Italy · 1 November 1954The Fairy Bush of LatoonLegendLatoon, County Clare, Ireland · 1999The Fairy Flag of DunveganLegendDunvegan Castle, Isle of Skye, Scotland · Legend for centuriesFather Gill's SightingDisputedBoianai, Milne Bay, Papua New Guinea · 26–27 June 1959The Flatwoods MonsterDisputedFlatwoods, Braxton County, West Virginia, USA · 12 September 1952Friendship IslandDisputedChiloé Archipelago, Los Lagos, Chile · From 1985The Golem of PragueLegendOld New Synagogue, Prague, Czech Republic · Legend set in the 1500sThe Green Children of WoolpitLegendWoolpit, Suffolk, England · 12th centuryHeight 611DisputedDalnegorsk, Primorsky Krai, Russia · 29 January 1986The Huldufólk of IcelandLegendÁlfhóll, Kópavogur, Iceland · Told for centuriesThe Ilkley Moor PhotographDisputedIlkley Moor, West Yorkshire, England · 1 December 1987The Invisible City of BiringanLegendSamar, Philippines · Told for generationsThe KalanoroLegendHighland forests, Madagascar · Told for generationsThe KallikantzaroiLegendThessaly and across Greece · Told for centuriesThe KapreLegendBicol, Luzon, Philippines · Told for generationsThe Kijimuna of OkinawaLegendOkinawa Island, Japan · Told for generationsThe KitsuneLegendFushimi Inari, Kyoto, Japan · Told for over a thousand yearsThe Knowles Family EncounterDisputedEyre Highway near Mundrabilla, Western Australia · 20 January 1988The Kofu EncounterDisputedKofu, Yamanashi, Japan · 23 February 1975The LeprechaunLegendCarlingford, County Louth, Ireland · Told for centuriesThe Leshy, Lord of the ForestLegendNorthern Russian forests · Told for centuriesMaria MakilingLegendMount Makiling, Laguna, Philippines · Told for generationsThe Men in BlackFolkloreBridgeport, Connecticut, USA · From 1953The Menehune of KauaʻiLegendAlekoko fishpond, Kauaʻi, Hawaiʻi, USA · Told for generationsThe MmoatiaLegendAshanti forests, Ghana · Told for generationsThe Molebka TriangleDisputedNear Molebka, Perm Krai, Russia · Reports since the 1980sThe Monaciello of NaplesLegendNaples, Campania, Italy · Told for centuriesThe NittaewoLegendMahalenama, south-eastern Sri Lanka · Told by the Vedda peopleThe Orang BunianLegendGunung Ledang (Mount Ophir), Malaysia · Told for generationsThe Pajarillo MarkDisputedCerro El Pajarillo, Capilla del Monte, Córdoba, Argentina · January 1986Papa Bois, Father of the ForestLegendNorthern Range, Trinidad · Told for generationsThe Pascagoula EncounterDisputedPascagoula River, Mississippi, USA · 11 October 1973The PatupaiareheLegendMount Pirongia, Waikato, New Zealand · Told for generationsThe PeriLegendShiraz, Fars, Iran · Told for thousands of yearsThe Quarouble EncounterUnexplainedQuarouble, Nord, France · 10 September 1954The Queen of the Southern SeaLegendPelabuhan Ratu, West Java, Indonesia · Told for centuriesRendlesham ForestDisputedSuffolk, England · 26–28 December 1980Rübezahl, Lord of the MountainsLegendKarkonosze (Krkonoše), Poland–Czech Republic · Told for centuriesThe Schirmer EncounterDisputedAshland, Nebraska, USA · 3 December 1967The Ship in the Sky over ClonmacnoiseLegendClonmacnoise, County Offaly, Ireland · 8th centuryThe Socorro LandingUnexplainedSocorro, New Mexico, USA · 24 April 1964The Tengu of Mount KuramaLegendMount Kurama, north of Kyoto, Japan · Told for centuriesThe TikbalangLegendRural Luzon, Philippines · Told for generationsThe Todmorden EncounterDisputedTodmorden, West Yorkshire, England · 28 November 1980The TokolosheLegendEastern Cape and across southern Africa · Told for generationsThe TomteLegendFarms of Småland, Sweden · Told for centuriesThe Trancas CaseUnexplainedTrancas, Tucumán, Argentina · 21 October 1963The Trans-en-Provence LandingUnexplainedTrans-en-Provence, Var, France · 8 January 1981Travis WaltonDisputedApache-Sitgreaves National Forest, Arizona, USA · 5–10 November 1975The Trolls of NorwayLegendTrollstigen, Møre og Romsdal, Norway · Told for centuriesThe Tully Saucer NestDisputedHorseshoe Lagoon, near Tully, Queensland, Australia · 19 January 1966The Ummo LettersHoaxMadrid, Spain · 1960s – 1990sUtsuro-bune, the Hollow ShipLegendPacific coast of Hitachi Province (Ibaraki), Japan · 1803The Valensole EncounterUnexplainedValensole, Provence, France · 1 July 1965The VazimbaLegendLake Itasy and the central highlands, Madagascar · Told for generationsThe Veli of FijiLegendViti Levu, Fiji · Told for generationsThe Vidal TeleportationProbably a hoaxChascomús, Buenos Aires Province, Argentina · Reported in 1968The Voronezh EncounterDisputedVoronezh, Russia (then USSR) · 27 September 1989
Creatures · 103
The 'Captured Naga' PhotographHoaxMekong River, Laos (as claimed) · Photo taken in 1996; claimed to be from 1973The AhoolUnconfirmedMount Salak, West Java, Indonesia · Reported in 1925 and sinceThe AlmasUnconfirmedAltai and Gobi regions, Mongolia · Reported for centuriesThe AlmastyUnconfirmedNorth Caucasus, Kabardino-Balkaria, Russia · Reported for generationsThe Army's Yeti FootprintsDisputedNear Makalu Base Camp, Nepal · 9 April 2019The Arunachal MacaqueConfirmedTawang, Arunachal Pradesh, India · Described in 2005The BakunawaLegendVisayas, Philippines · Told for generationsThe BarmanouUnconfirmedChitral, Khyber Pakhtunkhwa, Pakistan · Reported for generationsThe BasajaunLegendGorbeia, Basque Country, Spain · Told for centuriesThe Bear Lake MonsterHoaxBear Lake, Utah–Idaho, USA · 1868The Beast of Bodmin MoorDisputedBodmin Moor, Cornwall, England · Reported since the 1980sThe Bili ApesConfirmedBili forest, northern Democratic Republic of the Congo · Reported from 1996; studied in the 2000sThe Brosno DragonUnconfirmedLake Brosno, Tver Oblast, Russia · Legends for centuries; reports since the 1990sThe Bugun LiocichlaConfirmedEaglenest Wildlife Sanctuary, Arunachal Pradesh, India · Described in 2006The BunyipLegendMurray River region, south-eastern Australia · Told for generationsThe BuruLegendApatani Valley (Ziro), Arunachal Pradesh, India · Accounts collected in 1947–48CadborosaurusUnconfirmedCadboro Bay, Victoria, British Columbia, Canada · Reported since the 1930sThe CadejoLegendEl Salvador and across Central America · Told for generationsChampUnconfirmedLake Champlain, New York and Vermont, USA · Reported since the 1800sThe ChuchunaaUnconfirmedVerkhoyansk Range, Yakutia, Russia · Reported in the 1800s and 1900sThe CoelacanthConfirmedEast London, South Africa · 22 December 1938The CurupiraLegendAmazon rainforest, Brazil · Recorded since 1560The Devil's FootprintsUnexplainedExe estuary, Devon, England · 8–9 February 1855The Dover DemonDisputedDover, Massachusetts, USA · 21–22 April 1977The Drop BearTall taleForests of Victoria, Australia · A tall tale since the 20th centuryThe Ebu Gogo and the Hobbit of FloresPartly confirmedLiang Bua, Flores, Indonesia · Legend for generations; fossils found in 2003The Elephant Bird and the RocConfirmedSouthern Madagascar · Survived until about 1,000 years agoThe Fish That Cries Like a BabyConfirmedZhangjiajie, Hunan, China · Known for centuriesThe Forest Owlet's ReturnConfirmedToranmal, Nandurbar, Maharashtra, India · Lost after 1884; rediscovered 1997The Formosan Clouded LeopardUnconfirmedMountains of Taitung, Taiwan · Declared extinct in 2013; reported sinceThe Fresno NightcrawlersProbably a hoaxFresno, California, USA · Filmed in 2007 and 2011The Giant Lizards of the OutbackUnconfirmedOutback Queensland, Australia · Reported in the 20th centuryThe Giant SquidConfirmedOff the Ogasawara Islands, Japan · First photographed alive in 2004The Gloucester Sea SerpentDisputedGloucester Harbor, Massachusetts, USA · August 1817The Golden LangurConfirmedAssam–Bhutan border, near the Sankosh River · Confirmed in 1953The GrootslangLegendRichtersveld, Northern Cape, South Africa · Told for generationsThe GüijeLegendRivers of central Cuba · Told for generationsThe HibagonUnconfirmedMount Hiba, Hiroshima Prefecture, Japan · Sightings 1970 – 1974The HMS Daedalus Sea SerpentDisputedSouth Atlantic Ocean, west of southern Africa · 6 August 1848The Inkanyamba of Howick FallsLegendHowick Falls, KwaZulu-Natal, South Africa · Told for generationsJerdon's CourserConfirmedLankamalla hills, Kadapa, Andhra Pradesh, India · Lost after 1900; rediscovered 1986The Jersey DevilLegendPine Barrens, New Jersey, USA · Legend from the 1700s; sightings in January 1909The Kanas Lake MonsterMostly explainedKanas Lake, Altay, Xinjiang, China · Reported since the 1980sThe KappaLegendTōno, Iwate, Japan · Told for centuriesThe Kasai RexHoaxKasai region, Democratic Republic of the Congo · Reported in 1932The Kemerovo YetiProbably a publicity stuntAzasskaya Cave, Mountain Shoria, Kemerovo Oblast, Russia · October 2011The KongamatoUnconfirmedJiundu swamp, North-Western Province, Zambia · Reported in 1923The Kting VoarMostly explainedMondulkiri, Cambodia · Reported in the 1990sThe Labynkyr DevilUnconfirmedLake Labynkyr, Yakutia, Russia · Told for generations; reported in 1953The Lagarfljót WormDisputedLagarfljót, East Iceland · Reported since the 1300s; filmed in 2012The Lake Van MonsterDisputedLake Van, Türkiye · Reports since 1995The Laotian Rock RatConfirmedKhammouane Province, Laos · Described in 2005The Lawndale ThunderbirdsDisputedLawndale, Illinois, USA · 25 July 1977The Lizard Man of Scape Ore SwampDisputedBishopville, South Carolina, USA · Summer 1988The Loch Ness MonsterDisputedHighland, Scotland · Modern sightings since 1933The Lukwata of Lake VictoriaLegendLake Victoria, Uganda · Told for generationsThe Lusca of the Blue HolesLegendAndros Island, Bahamas · Told for generationsMande BarungDisputedGaro Hills, Meghalaya, India · Reported for generationsThe MapinguariLegendWestern Amazon, Brazil · Told for generationsThe Megamouth SharkConfirmedOff Oahu, Hawaiʻi, USA · Discovered on 15 November 1976The Migoi of SaktengUnconfirmedSakteng Wildlife Sanctuary, Trashigang, Bhutan · Told for generationsThe Milodón CaveMostly explainedNear Puerto Natales, Magallanes, Chile · Skin found in 1895The MinhocãoLegendSouthern Brazil · Reported in the 1800sThe Moa SightingsProbably a hoaxCraigieburn Range, Canterbury, New Zealand · Reported in 1993Mokele-mbembeUnconfirmedLikouala swamps, Republic of the Congo · Reported since the early 1900sThe MothmanDisputedPoint Pleasant, West Virginia, USA · November 1966 – 1967NahuelitoUnconfirmedNahuel Huapi Lake, Río Negro, Argentina · Reported since the early 1900sThe Người RừngUnconfirmedCentral Highlands, Vietnam · Reported for generations; expedition in 1974The Ninki NankaLegendGambia River, The Gambia · Told for generationsNyami Nyami, the River GodLegendLake Kariba, Zambezi River, Zambia–Zimbabwe · Told for generationsOgopogoUnconfirmedOkanagan Lake, British Columbia, Canada · Reported for generationsThe OkapiConfirmedIturi Forest, Democratic Republic of the Congo · Described by science in 1901The Olgoi-KhorkhoiLegendGobi Desert, Mongolia · Told for generationsThe OlitiauUnconfirmedAssumbo mountains, Manyu, Cameroon · Reported in 1932The Orang MawasUnconfirmedEndau-Rompin, Johor, Malaysia · Reported for generations; wave of sightings in 2005–06Orang PendekUnconfirmedKerinci Seblat National Park, Sumatra, Indonesia · Reported for over a centuryThe Owlman of MawnanDisputedMawnan, Cornwall, England · April 1976The Patagonian PlesiosaurUnconfirmedNear Epuyén, Chubut, Argentina · 1922The Patterson–Gimlin FilmDisputedBluff Creek, Northern California, USA · 20 October 1967The Purple FrogConfirmedWestern Ghats, Idukki, Kerala, India · Described by science in 2003The Rolling CalfLegendRural Jamaica · Told for generationsThe RopenUnconfirmedUmboi Island, Papua New Guinea · Reported in the 20th centuryThe SaciLegendSão Paulo state and across Brazil · Told for generationsThe Saola, Asia's UnicornConfirmedVũ Quang, Annamite Mountains, Vietnam · Discovered by science in 1992The Sasquatch of HarrisonUnconfirmedHarrison Hot Springs, British Columbia, Canada · Named in the 1920sThe Shipton FootprintDisputedMenlung Glacier, Nepal–Tibet border · November 1951Steller's Sea ApeUnidentifiedShumagin Islands, Alaska, USA · August 1741The Storsjö MonsterUnconfirmedStorsjön, Jämtland, Sweden · Reported since the 1600sThe Takahē RediscoveredConfirmedMurchison Mountains, Fiordland, New Zealand · Declared extinct 1898; rediscovered 1948The Taniwha of MeremereLegendMeremere, Waikato, New Zealand · Told for generations; road changed in 2002The Tasmanian Tiger SightingsUnconfirmedTasmania, Australia · Since 1936The Tianchi Lake MonsterUnconfirmedHeaven Lake, Changbai (Paektu) Mountain, China–North Korea border · Reports since the early 1900sThe TratratratraPartly confirmedSouth-west Madagascar · Described in 1658The Tree Lobster of Ball's PyramidConfirmedBall's Pyramid, off Lord Howe Island, Australia · Thought extinct by 1920s; rediscovered 2001The TsuchinokoUnconfirmedHigashishirakawa, Gifu, Japan · Reports for centuries; bounties since the 1980sThe Turtle of the Returned SwordConfirmedHoàn Kiếm Lake, Hanoi, Vietnam · Legend from the 1400s; last turtle died in 2016The UcumarUnconfirmedSalta, north-west Argentina · Reported for generationsThe Varginha CreatureDisputedMinas Gerais, Brazil · 20 January 1996The WaitorekeUnconfirmedSouth Island, New Zealand · Reported since the 1700sThe YacumamaLegendAmazon rivers near Iquitos, Peru · Told for generationsThe Yeren of ShennongjiaUnconfirmedShennongjia, Hubei, China · Reported for centuries; expeditions since the 1970sThe Yeti Scalp of KhumjungExplainedKhumjung Monastery, Solukhumbu, Nepal · Examined in 1960The YowieUnconfirmedBlue Mountains, New South Wales, Australia · Reported since the 1800s
Voices & sounds · 92
The 'Atención' Numbers StationExplainedBroadcast from Cuba · Heard since the 1960s; exposed in a trial in 2001The 'Weird!' Signal from Ross 128ExplainedArecibo Observatory, Puerto Rico · May 2017The 52-Hertz WhaleUnidentifiedNorth Pacific Ocean · Heard since 1989The Arctic PingUnexplainedFury and Hecla Strait, near Igloolik, Nunavut, Canada · Summer 2016The Barisal GunsUnexplainedBarisal, Ganges delta, Bangladesh · Reported from the 1870sThe Bell Island BoomMostly explainedBell Island, Newfoundland, Canada · 2 April 1978The Bells of Lake SvetloyarLegendLake Svetloyar, Nizhny Novgorod Oblast, Russia · Legend recorded from the 1700sThe Bells of the Drowned KingdomPartly confirmedBorth, Ceredigion, Wales · Legend for centuries; sunken forest exposed in 2014The Bengaluru BoomExplainedBengaluru, Karnataka, India · 20 May 2020The Bio-DuckExplainedSouthern Ocean, off Western Australia and Antarctica · Heard since the 1960s; identified in 2014The BloopExplainedSouth Pacific Ocean, west of the tip of South America · 1997The Bristol HumUnexplainedBristol, England · Reported from the 1970sCaptain MidnightExplainedOcala, Florida, USA · 27 April 1986The Cave of the GuácharoExplainedCaripe, Monagas, Venezuela · Described by Humboldt in 1799The Chirp of Chichén ItzáMostly explainedEl Castillo, Chichén Itzá, Yucatán, Mexico · Pyramid built around 900–1100 CEThe Clap at Golconda FortMostly explainedGolconda Fort, Hyderabad, Telangana, India · Fort built from the 1500sThe Cry of the UrutauExplainedForests of Paraguay · Told for generationsThe Divje Babe FluteDisputedDivje Babe cave, near Cerkno, Slovenia · About 50,000 years old; found in 1995The Ear of DionysiusMostly explainedSyracuse, Sicily, Italy · Named in 1586Earth's 26-Second PulseUnexplainedGulf of Guinea, off West Africa · Detected since the early 1960sThe Echo Wall of the Temple of HeavenExplainedTemple of Heaven, Beijing, China · Built in the 1500sThe Echoing Chamber of NewgrangePartly explainedNewgrange, Boyne Valley, County Meath, Ireland · Built about 5,200 years agoGef, the Talking MongooseDisputedDalby, Isle of Man · From 1931The Glacial Earthquakes of GreenlandExplainedHelheim Glacier, east Greenland · Discovered in 2003The Gong Rock of the SerengetiExplainedMoru Kopjes, Serengeti, Tanzania · Used for centuriesThe Great Roar of the AmazonExplainedMouth of the Amazon, Amapá and Pará, Brazil · Twice a year, at the highest tidesThe Hum of the EarthMostly explainedJapan, where it was first detected · Discovered in 1998The Knockers of the Cornish MinesLegendTin mines near St Just, Cornwall, England · Told for centuriesThe KodamaLegendYakushima and the forests of Japan · Told for centuriesThe Lincolnshire PoacherMostly explainedBroadcast from Cyprus · 1970s – 2008The Long-Delayed Radio EchoesUnexplainedOslo, Norway · First reported in 1927The Mariana BiotwangExplainedMariana Trench, Western Pacific · Recorded since 2014; identified in 2024The Max Headroom Broadcast IntrusionNever solvedChicago, Illinois, USA · 22 November 1987The Meteors You Can HearMostly explainedNewcastle, New South Wales, Australia · Reported for centuries; explained in 1980The MistpouffersUnexplainedCoast of Belgium and the Netherlands · Reported for centuriesThe Moodus NoisesExplainedMoodus, East Haddam, Connecticut, USA · Reported for centuriesThe Mountain of the BellExplainedJebel Naqus, near El Tor, South Sinai, Egypt · Legend recorded since the 1800sThe Music of Fingal's CaveExplainedStaffa, Inner Hebrides, Scotland · Made famous in 1772The Music on the Far Side of the MoonExplainedMission Control, Houston, Texas, USA · May 1969; transcripts released in 2008The Music Room of Ali QapuExplainedAli Qapu Palace, Isfahan, Iran · Built in the early 1600sThe Musical Pillars of HampiMostly explainedVijaya Vittala temple, Hampi, Karnataka, India · Temple built in the 1500sThe Musical Steps of DarasuramMostly explainedAiravatesvara temple, Darasuram, Tamil Nadu, India · Temple built in the 1100sThe Nightingale Floors of Nijō CastleExplainedNijō Castle, Kyoto, Japan · Built in the early 1600sThe Oldest Song in the WorldInterpretations differUgarit (Ras Shamra), Latakia, Syria · Written about 3,400 years agoThe Oracle Room of Ħal SaflieniPartly explainedĦal Saflieni Hypogeum, Paola, Malta · Carved about 5,000 years agoThe Parkes PerytonsExplainedParkes radio telescope, New South Wales, Australia · 1998 – 2015The Ringing RocksPartly explainedRinging Rocks Park, Upper Black Eddy, Pennsylvania, USA · Known since the 1800sThe Roar of CorryvreckanExplainedGulf of Corryvreckan, between Jura and Scarba, Scotland · Known for centuriesThe Roaring Sands of WitsandMostly explainedWitsand Nature Reserve, Northern Cape, South Africa · Known for generationsThe Rock Gongs of Kupgal HillExplainedKupgal, near Ballari, Karnataka, India · Used thousands of years agoThe Russian WoodpeckerExplainedChernobyl-2, near Chernobyl, Ukraine · 1976 – 1989The Sasovo ExplosionUnexplainedSasovo, Ryazan Oblast, Russia · 12 April 1991The Screams in the DarkExplainedLondon and across Britain · Heard every winterThe Seneca GunsUnexplainedSeneca Lake, New York, and the US East Coast · Reported since the 1800sThe Signal That Repeats Every 16 DaysPartly explainedCHIME radio telescope, near Penticton, British Columbia, Canada · Detected from 2018; pattern reported in 2020The Singing Dune of Altyn-EmelMostly explainedAltyn-Emel National Park, Almaty Region, Kazakhstan · Known for centuriesThe Singing IceExplainedFrozen lakes in Sweden and other cold countries · Every winterThe Singing Sand MountainMostly explainedMingsha Shan, Dunhuang, Gansu, China · Recorded for over a thousand yearsThe Singing Statue of MemnonMostly explainedLuxor (ancient Thebes), Egypt · About 27 BCE to 200 CEThe Sky TrumpetsMostly explainedKyiv, Ukraine, and worldwide · From 2011The Snoring MountainsMostly explainedSerra do Roncador, Mato Grosso, Brazil · Legends from the 1900sThe Song of the IndriExplainedAndasibe, Alaotra-Mangoro, Madagascar · Heard every morningThe Song of the Ross Ice ShelfExplainedRoss Ice Shelf, Antarctica · Recorded 2014–2017; reported in 2018The Songs Under the Antarctic IceExplainedMcMurdo Sound, Antarctica · Recorded for decadesThe Sound of StonehengePartly explainedStonehenge, Wiltshire, England · Built about 5,000 to 4,000 years ago; studied in 2020The Sound of the Northern LightsMostly explainedFiskars, Finland, and the far north · Reported for centuries; recorded in 2016The Sounding Galleries of ChavínMostly explainedChavín de Huántar, Áncash, Peru · Temple used about 1200–500 BCEThe Sounds Under HasoriUnexplainedHasori, Latur district, Maharashtra, India · September 2022The Stone Xylophone of the HighlandsExplainedNdut Liêng Krak, Đắk Lắk, Vietnam · Found in 1949; about 3,000 years oldThe Swedish RhapsodyExplainedBroadcast from Poland · Late 1950s – 1998The Tanganyika Laughter EpidemicExplainedKashasha, near Bukoba, Tanzania · 1962Tansen and the Raga of FireLegendGwalior, Madhya Pradesh, India · 16th centuryThe Taos HumUnexplainedTaos, New Mexico, USA · Early 1990s onwardsThe Turtle Callers of KadavuLegendNamuana, Kadavu, Fiji · Tradition handed down for generationsThe Two-Note Bells of Marquis YiExplainedSuizhou, Hubei, China · Made about 2,400 years ago; found in 1978The Ulama, Sri Lanka's Devil BirdMostly explainedCentral hill forests, Sri Lanka · Told for generations; identified around 2001The UpsweepMostly explainedRemote South Pacific Ocean · Since 1991UVB-76, 'The Buzzer'Purpose unknownWestern Russia · On air since at least the early 1980sThe Vrillon BroadcastHoax, never tracedHannington transmitter, Hampshire, England · 26 November 1977The Wailing in the Australian NightExplainedEastern Queensland, Australia · Heard every nightThe Well to HellHoaxKola Superdeep Borehole, Murmansk Oblast, Russia · Story spread from 1989The Whispering Gallery of Gol GumbazExplainedVijayapura (Bijapur), Karnataka, India · Completed in 1656The Whispering Stage of AspendosExplainedAspendos, Antalya, Türkiye · Built in the 2nd century CEThe Whispering Walls of the BhulbhulaiyaExplainedBara Imambara, Lucknow, Uttar Pradesh, India · Built in the 1780sThe Whistling Blowholes of TongaExplainedHouma, Tongatapu, Tonga · Known for generationsThe Whistling SchoolboyExplainedWestern Ghats, near Agumbe, Karnataka, India · Heard every morningThe Whistling Vessels of PeruPurpose debatedNorth coast of Peru · Made over about 2,000 yearsThe Wild HuntLegendOdenwald, Hesse, Germany · Told for centuriesThe Windsor HumMostly explainedWindsor, Ontario, Canada · 2011 – 2020The Wow! SignalUnexplainedBig Ear radio telescope, Delaware, Ohio, USA · 15 August 1977The Yellowstone Lake MusicUnexplainedYellowstone Lake, Wyoming, USA · Reported since 1872The Zone of SilenceMostly explainedBolsón de Mapimí, Durango, Mexico · Legend since the 1970s
Places · 114
The 'Stegosaurus' of Ta ProhmExplainedTa Prohm, Angkor, Cambodia · Temple built in the late 1100sThe 'Underwater City' off CubaProbably naturalOff the Guanahacabibes Peninsula, Cuba · Reported in 2001Adam's CalendarExplainedNear Kaapschehoop, Mpumalanga, South Africa · Claimed since 2003Al Naslaa RockExplainedTayma oasis, Tabuk Province, Saudi Arabia · AncientThe Antikythera MechanismMostly explainedAntikythera, Greece · Made about 2,100 years ago; found in 1901ArkaimExplainedChelyabinsk Oblast, southern Urals, Russia · About 4,000 years old; found in 1987The Atacama GiantMostly explainedCerro Unita, Tarapacá, Chile · Made about 1000–1400 CEThe Baghdad BatteryMostly explainedKhujut Rabu, near Baghdad, Iraq · About 2,000 years old; found in 1936The Baigong PipesExplainedMount Baigong, near Delingha, Qinghai, China · Reported from the 1990sThe Baltic Sea AnomalyMostly explainedNorthern Baltic Sea, between Sweden and Finland · Found in 2011The Batagaika CraterExplainedVerkhoyansk district, Yakutia, Russia · Growing since the 1960sBhangarh FortMostly explainedAlwar district, Rajasthan, India · Founded 1573, empty by the late 1700sThe Bimini RoadMostly explainedNorth Bimini, Bahamas · Found in 1968Blood FallsExplainedTaylor Glacier, McMurdo Dry Valleys, Antarctica · Discovered in 1911The Bosnian PyramidsNatural hillsVisoko, Bosnia and Herzegovina · Claimed since 2005Caño Cristales, the River of Five ColoursExplainedSerranía de la Macarena, Meta, Colombia · Every year, from about July to NovemberThe Carnac StonesPurpose debatedCarnac, Brittany, France · Raised about 6,000 years agoThe Cart Ruts of MaltaUnexplainedMisraħ Għar il-Kbir, Malta · Age unknownThe Carvings of UnakotiMostly explainedUnakoti, Tripura, India · Carved between the 7th and 9th centuriesThe Chocolate HillsMostly explainedBohol, Philippines · Formed over millions of yearsThe City Beneath Issyk-KulPartly confirmedToru-Aygyr, Lake Issyk-Kul, Kyrgyzstan · Flooded in the early 1400s; surveyed from the 2000sThe Cliff That Lays EggsExplainedGulu village, Sandu County, Guizhou, China · Known for generationsCoral CastleMostly explainedHomestead, Florida, USA · Built 1923 – 1951The Crooked ForestUnexplainedNowe Czarnowo, West Pomerania, Poland · Planted around 1930The Crop Circles of WiltshireExplainedWiltshire, England · 1970s onwardsThe Deer Stones of MongoliaPurpose debatedUushigiin Övör, Khövsgöl, Mongolia · Carved about 3,000 years agoThe Devil's KettleExplainedJudge C.R. Magney State Park, Minnesota, USA · Known for generations; studied in 2016–17The Door to HellExplainedDarvaza, Karakum Desert, Turkmenistan · Burning since about 1971The Drowning Church of ShettihalliExplainedShettihalli, Hassan district, Karnataka, India · Built in the 1860s; submerged since 1960El EnladrilladoExplainedAltos de Lircay National Reserve, Maule, Chile · Known for generationsEl Fuerte de SamaipataExplainedSamaipata, Santa Cruz, Bolivia · Carved from about 300 CEThe Eternal Flames of ChimaeraExplainedYanartaş, near Olympos, Antalya, Türkiye · Burning for thousands of yearsThe Eye of the SaharaExplainedRichat Structure, Adrar, Mauritania · Noticed from space in the 1960sThe Faces of BélmezProbably a hoaxBélmez de la Moraleda, Jaén, Spain · From 1971Fairy CirclesDisputedNamib Desert, Namibia · OngoingThe Floating Bricks of RamappaExplainedPalampet, Mulugu district, Telangana, India · Temple built around 1213The Floating Islands of LoktakExplainedLoktak Lake, Manipur, India · AncientThe Gate of Aramu MuruLegendHayu Marka, near Juli, Puno, Peru · Carved in ancient timesThe Geoglyphs of AcreExplainedAcre, Brazil · Built about 2,000 years agoThe Giant Obelisks of AxumMostly explainedAxum, Tigray, Ethiopia · Raised about 1,700 years agoThe Giant Stones of BaalbekExplainedBaalbek, Lebanon · Temples built 1st–3rd century CEThe Giant's CausewayExplainedCounty Antrim, Northern Ireland · Formed about 60 million years agoThe Giants of PatagoniaExplainedPuerto San Julián, Santa Cruz, Argentina · 1520 onwardsThe Glass of the Great Sand SeaMostly explainedGreat Sand Sea, western Egypt · Formed about 29 million years agoGöbekli TepePartly explainedNear Şanlıurfa, Türkiye · Built about 11,500 years agoThe Great Heads of Nemrut DağTomb not foundMount Nemrut, Adıyaman, Türkiye · Built in the 1st century BCEGreat ZimbabweExplainedMasvingo Province, Zimbabwe · Built from the 11th to the 15th centuryGunung PadangClaims retractedCianjur, West Java, Indonesia · Megalithic site; disputed ageHa'amonga 'a MauiMostly explainedNiutōua, Tongatapu, Tonga · Built around 1200The Hanging Pillar of LepakshiMostly explainedLepakshi, Sri Sathya Sai district, Andhra Pradesh, India · Temple built in the 1500sHoia-Baciu ForestDisputedNear Cluj-Napoca, Romania · Known since the 1960sThe Ica StonesHoaxIca, Peru · Collected from the 1960sThe Ingá StoneMeaning unknownIngá, Paraíba, Brazil · Age unknownThe Iron Pillar of DelhiExplainedQutb complex, Mehrauli, Delhi, India · About 1,600 years oldIshi-no-Hōden, the Floating StonePurpose unknownŌshiko Shrine, Takasago, Hyōgo, Japan · Carved by the 7th centuryJatingaMostly explainedDima Hasao, Assam, India · Every autumnThe Kaali CraterExplainedSaaremaa island, Estonia · Formed about 3,500 years agoThe Kailasa TempleMostly explainedEllora Caves, Aurangabad district, Maharashtra, India · Built in the 700sThe Kaimanawa WallExplainedKaimanawa Forest Park, near Taupō, New Zealand · Claimed in 1996Kodinhi, the Village of TwinsUnexplainedMalappuram district, Kerala, India · OngoingThe Konark LodestoneMostly explainedKonark, Puri district, Odisha, India · Temple built in the 1200sKuldharaMostly explainedNear Jaisalmer, Rajasthan, India · Abandoned in the early 1800sLa Ciudad Blanca, the White CityPartly confirmedLa Mosquitia, Honduras · Legend for centuries; ruins found in 2015Lake Guatavita and El DoradoMostly explainedGuatavita, Cundinamarca, Colombia · Ceremony from before the 1500sLake ParimeExplainedRupununi savannah, Guyana · On maps from the 1500s to the 1800sLonar Lake Turns PinkExplainedLonar, Buldhana district, Maharashtra, India · June 2020The Longyou CavesUnexplainedLongyou County, Zhejiang, China · Found in 1992; at least 2,000 years oldThe Lost Tomb of Genghis KhanUnexplainedNear Burkhan Khaldun, Khentii, Mongolia · Lost since 1227Magnetic HillExplainedNear Leh, Ladakh, India · OngoingThe Mercury Under TeotihuacanPartly explainedTemple of the Feathered Serpent, Teotihuacan, Mexico · Found in 2015The Moeraki BouldersExplainedKoekohe Beach, Otago, New Zealand · Formed about 60 million years agoMohenjo-daro and the 'Ancient Blast'ExplainedMohenjo-daro, Sindh, Pakistan · City built about 4,500 years agoMount Roraima, the Lost WorldExplainedWhere Venezuela, Brazil and Guyana meet · Climbed in 1884; Conan Doyle's novel in 1912The Mustatils of ArabiaPartly explainedNear AlUla and Khaybar, north-western Saudi Arabia · Built about 7,000 years agoNan MadolMostly explainedPohnpei, Federated States of Micronesia · Built from about the 1100sThe Nazca LinesMostly explainedNazca Desert, southern Peru · Made about 2,000 years agoThe Oklo Natural ReactorConfirmedOklo, Haut-Ogooué, Gabon · About 2 billion years ago; found in 1972The Patomskiy CraterUnexplainedPatom Highlands, Irkutsk Oblast, Russia · Found in 1949Pele's CurseLegendHawaiʻi Volcanoes National Park, Hawaiʻi, USA · Told since the 20th centuryThe Piri Reis MapMostly explainedTopkapı Palace, Istanbul, Türkiye · Drawn in 1513; found in 1929The Pitch LakeExplainedLa Brea, Trinidad and Tobago · Known for centuriesPuma PunkuMostly explainedTiwanaku, La Paz department, Bolivia · Built around 500–600 CEThe Rain Temple of BehtaUnexplainedBehta Bujurg, Kanpur district, Uttar Pradesh, India · OngoingThe Ramgarh CraterConfirmedRamgarh, Baran, Rajasthan, India · Formed hundreds of millions of years ago; confirmed in 2020The Real Lost City of ZPartly confirmedUpper Xingu, Mato Grosso, Brazil · Settled from about 1250 to 1650The Rediscovery of AjantaExplainedAjanta Caves, Aurangabad district, Maharashtra, India · Carved 2nd century BCE – 5th century CE; seen again in 1819Rig-e Jenn, the Dunes of the JinnLegendDasht-e Kavir, between Semnan and Isfahan, Iran · Legend for centuriesThe Rings in the Ice of BaikalExplainedLake Baikal, Russia · Seen from space since 2009The Rock Churches of LalibelaMostly explainedLalibela, Amhara, Ethiopia · Carved in the 12th and 13th centuriesThe Ruins Beneath Fuxian LakeDisputedFuxian Lake, Yunnan, China · Found in 2001The Ruins of GediPartly explainedGedi, near Malindi, Kenya · Built from the 12th century; abandoned in the 1600sThe Sailing StonesExplainedRacetrack Playa, Death Valley, California, USA · Seen since the early 1900s; solved in 2014The Search for ShambhalaLegendNaggar, Kullu, Himachal Pradesh, India · Legend for centuries; expedition 1925–28The Secrets of Mount ShastaLegendMount Shasta, California, USA · Legends since the late 1800sThe Seven Pagodas of MahabalipuramPartly confirmedMahabalipuram, Tamil Nadu, India · Legend from at least the 1700s; ruins found in 2004The Shadow of the Big TempleExplainedThanjavur, Tamil Nadu, India · Temple completed in 1010The Singapore StoneUnreadMouth of the Singapore River, Singapore · Inscribed about 700 years ago; blown up in 1843Skinwalker RanchDisputedUintah Basin, Utah, USA · Reports since the 1990sThe Sky Caves of MustangPartly explainedUpper Mustang, Nepal · Carved up to 3,000 years agoSon Doong, the Hidden CaveExplainedPhong Nha-Kẻ Bàng, Quảng Bình, Vietnam · Found around 1990; explored in 2009The Steppe Geoglyphs of KazakhstanPartly explainedTurgai region, Kostanay, Kazakhstan · Spotted in 2007; thousands of years oldThe Stone Forest of MarcahuasiExplainedMarcahuasi plateau, Lima region, Peru · Claims from the 1950sThe Stone Giants of ManpupunerExplainedManpupuner plateau, Komi Republic, Russia · Ancient legendThe Stone Spheres of Costa RicaPurpose unknownDiquís Delta, Puntarenas, Costa Rica · Made between about 500 and 1500 CEThe Tayos CaveExplainedMorona Santiago, Ecuador · Claims from 1969; expedition in 1976Ubar, the Atlantis of the SandsPartly confirmedShisr, Dhofar, Oman · Legend for centuries; found in 1992The Underground City of DerinkuyuExplainedDerinkuyu, Nevşehir, Cappadocia, Türkiye · Rediscovered in 1963The Vanishing Village of Lake AnjikuniMostly explainedAngikuni Lake, Nunavut, Canada · Reported in November 1930Vilcabamba, the Valley of Long LifeExplainedVilcabamba, Loja, Ecuador · Claims from the 1950s to the 1970sThe Walking Moai of Rapa NuiMostly explainedRapa Nui (Easter Island), Chile · Carved about 1250–1500The Weathering of the Great SphinxDisputedGiza, Egypt · Debated since 1991The Well of BarhoutExplainedAl-Mahra Governorate, Yemen · Legend for centuries; explored in 2021The Yamal CratersMostly explainedYamal Peninsula, Russia · First found in 2014The Yonaguni MonumentDisputedOff Yonaguni Island, Okinawa, Japan · Found in 1986