Science Ch. - Secrets of the Underground Series 1 (2017) Part 5 Great Lakes Bermuda Triangle

Secrets of the Underground Series 1

Rob Nelson, an ecologist by trade and an explorer by pastime, travels the country to investigate long-lost, subterranean phenomena

Part 5 Great Lakes Bermuda Triangle

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.

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