Secrets Underground
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Secrets Underground
Thursday, 15:00
Mystery Of The Serpent Mound. Rob Nelson investigates mysterious tunnels under Denver's airport. Plus, in Ohio he tries to uncover the secrets of a giant serpent-shaped mound. S1, Ep2
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American Stonehenge. Rob Nelson investigates the mysterious rocks at the bottom of Lake Michigan known as Underwater Stonehenge. Plus, the search for escape tunnels in Alcatraz. S1, Ep1
TV Schedule
Channel | Time | Title |
---|---|---|
Thursday, 14:00 | Secrets Underground | |
Thursday, 15:00 | Secrets Underground | |
Friday, 14:00 | Secrets Underground | |
Friday, 15:00 | Secrets Underground |