📺
Series
Secrets of the Underground
📅 2017
⭐ 5.5
🕐 60 min
US
US
A search for an underground escape route said to have been used by Al Capone. Also: who or what built earthen mounds in Washington state.
Seasons & Episodes
E1
Capone's Escape Tunnels
2017-02-14
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E2
Mystery of the Serpent Mound
2017-02-21
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E3
America's Buried Massacre
2017-02-28
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E4
Rocky Mountain Monsters
2017-03-07
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E5
Great Lakes Bermuda Triangle
2017-03-14
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E6
California's Hidden Doomsday
2017-03-21
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E7
Secret History of the New World
2017-03-28
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E8
American Stonehenge
2017-04-04
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E1
Legend of the Nazi Gold
2017-10-28
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E2
King Solomon's Treasures
2017-11-04
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E3
Tesla's Final Secrets
2017-11-11
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E4
Doomsday Volcano of the Gods
2017-11-18
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E5
Atlantis in America
2017-11-25
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E6
Mystery of the Ice Cave
2017-12-02
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E7
Lost Pirate City Treasure
2017-12-09
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E8
Quest for the Gold Rush Fortune
2017-12-16
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Production
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