Summary 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.
Directed : Unknown
Written : Unknown
Stars : Rob Nelson Stefan Burns Tim Bechtel Jared Peacock
Genres : Documentary
Release date : Apr 3, 2017
Countries of origin : United States
Official sites : Official site
Language : English
Production companies : Science Channel Lucky 8
Summary 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.
Genres : Documentary
Release date : Apr 3, 2017
Countries of origin : United States
Official sites : Official site
Language : English
Production companies : Science Channel Lucky 8
