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Secrets of the Underground

S1 E5 | Great Lakes Bermuda Triangle

0h 42m|TVPG|Science|2017
Descending into a cave 30 feet beneath Texas in search of evidence of a mass extinction event; heading to Lake Michigan to investigate an unexplained, Bermuda Triangle-like phenomenon that has caused ships to disappear for centuries.
Secrets of the Underground
Season
2
1
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