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Hidden History

Verdict: Unproven
Unexplained

Tuanaki

Mangaia, Cook Islands November 16, 1825 to 1844

Verdict: Legend
Urban Legends

Swift’s Silver Mine

Campton, Kentucky June 21, 1760 to 1769

Verdict: Hoax
Unexplained

Persian Princess Mummy

Karachi, Sindh October 19, 2000 to April 2001

Verdict: Mostly False
Conspiracies

Did FDR Know Pearl Harbor Was Coming?

Pearl Harbor, Oahu December 7, 1941

Verdict: Legend
Unexplained

Paititi, the Lost Inca City of Gold

Beni, Bolivia 1567 to December 29, 2007

Verdict: Mostly False
Unexplained

Loch Arkaig Treasure

Loch Arkaig, Highland April 30, 1746 to June 7, 1753

Verdict: Legend
Unexplained

Treasure of the Llanganatis

Llanganates National Park, Tungurahua 1533 to 1861

Verdict: Mostly False
Conspiracies

Lake Toplitz and the Nazi Gold

Grundlsee, Styria May 1945 to July 2000

Verdict: Unproven
Unexplained

Khipu

Cusco, Cusco 1400 to 1532

Verdict: False
Conspiracies

The Hollow Earth

Hamilton, Ohio 1692 to 1968

Verdict: Unproven
Unexplained

Herxheim

Herxheim bei Landau, Rhineland-Palatinate 5000 BCE to 4950 BCE

Verdict: Mostly False
Unexplained

The Hall of Records Under the Sphinx

Giza, Giza Governorate 1978 to 1999

Verdict: Mostly False
Unexplained

The Dogon Sirius Mystery

Bandiagara, Mopti Region 1950 to 1991

Verdict: Legend
Unexplained

Cueva de los Tayos

Coangos, Morona Santiago 1969 to August 1976

Verdict: Unproven
Secret Societies Unexplained

Brother XII’s Gold

Cedar, British Columbia May 16, 1927 to November 7, 1934

Verdict: Hoax
Unexplained

Acámbaro Figures

Acámbaro, Guanajuato July 1944 to 1978

Verdict: Mixture
Unexplained

Wisconsin Death Trip

Black River Falls, Jackson County 1885 to 1900

Verdict: Unproven
Disappearances Unexplained

The Lost Peking Man Fossils

Qinhuangdao, Hebei December 4, 1941

Verdict: Mixture
Conspiracies Unexplained

The Murder of Lord Darnley at Kirk o’ Field

Edinburgh, Scotland February 10, 1567

Verdict: False
Conspiracies

Did Hitler Survive the War?

Argentina April 30, 1945

Verdict: Unproven
Unexplained

The Great Filter

Los Alamos, New Mexico 1950 to 2018

Verdict: Legend
Unexplained

The Voyage of Saint Brendan

Brandon Creek, County Kerry May 17, 1976 to June 26, 1977

Verdict: True
Unexplained

The Secret: A Treasure Hunt

Boston, Massachusetts 1982 to October 2019

Verdict: Hoax
Unexplained

The Southern Television Broadcast Interruption

Hannington, Hampshire November 26, 1977

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