Pre-Historic Underground Megastructure Found in Russia - Khara-Hora Shaft
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What Is This Mysterious Sunken Object Beneath The Baltic Sea? | The Mystery Beneath | Timeline
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A World War 2 Soldier Was Found Frozen in Ice! | Secrets In the Ice | Science Channel
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The Enigma of the Celtic Tomb
18:00
The Babylonian Map of the World with Irving Finkel | Curator’s Corner S9 Ep5
44:25
Ancient Islands: Ghost City of the Pacific (Full Episode) | Lost Cities with Albert Lin
29:30
This Is Why You Can’t Go To Antarctica
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Hollow Earth, The Alien Lake, And Other Frozen Mysteries
43:25