Secrets Underground

8:00 PM to 9:00 PM

Saturday 10 January

American Stonehenge

Season 1 Episode 1 of 8

Rob Nelson investigates subterranean secrets from around the world, beginning with mysterious rocks at the bottom of Lake Michigan known as Underwater Stonehenge

Secrets Underground airs on Discovery Channel at 8:00 PM, Saturday 10 January. (Subtitles.)

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