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S1, E5: 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.

Documentary · 18 Oct 2020 · 41 min

Information

Released
2020
Run Time
41 min
Rated
9
Region of Origin
United States
© 2017 Discovery Communications Inc.

Languages

Original Audio
English
Audio
Czech (Czechia) , and 5 more...
Subtitles
English (United States) (SDH), and 12 more...