Secrets of the Underground (2017)
60 Min.·IMDb 5.5
Season 1: Episode 8
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.
Episodes
16 totalAvailability
Multiple subtitles. Streaming in Full HD quality.
Information
USA · 16 episodes
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.
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