Secrets Underground

7:00 PM to 8:00 PM
Sunday 1 December
+

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 History +1 at 7:00 PM, Sunday 1 December. (Subtitles.)
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