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1:00 PM: Secrets Of The Underground (S1 E1) (S1) | Discovery Science | 2/4 2026 Discovery Science
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Secrets Of The Underground « at 1:00 PM on Discovery Science

Episode 1

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Published: 2017
Episode: 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.

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