Secrets of the Underground - Season 1 Episode 8
Seasons & Episodes
Episode Overview
Rob Nelson investigates the mysterious pattern of rocks at the bottom of Lake Michigan known as Underwater Stonehenge. At the notorious Alcatraz prison, Rob uses state-of-the-art technology in search of rumored escape tunnels.
Episode Details
Airdate: 2017-04-04
Episode Title: American Stonehenge
Runtime: 41
Genre: Documentary
Cast: Rob Nelson, Stefan Burns
Episode Rating: 7.2 (14 votes)
Release Year: 2017
Episode Runtime: 60 min
Rated: TV-PG
First Air Date: 2017-02-11
Seasons: 2
Status: Returning Series
Creators: Christopher Cassel, Jason Odell Williams
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