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Secrets of the Underground
2017
Published on, 3 months ago
Secrets of the Underground
Great Lakes Bermuda Triangle 1 Season 5 Episode
60 min
2017
4.3
Rob descends into a cave 30 feet beneath Texas in search of evidence of a mass extinction event. Then, he heads to Lake Michigan to investigate a Bermuda Triangle-like phenomenon that has caused ships to vanish for centuries.
