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Discovery ScienceWed 11 Nov · 13:00–14:00News & Documentary

Secrets Underground

American Stonehenge

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Secrets Underground artwork

Programme guide

About this programme

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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Next episodes and editions

Future listings with the same programme title, excluding this episode.

Secrets UndergroundLegend Of The Nazi Gold · Discovery History · Tue 10 Nov, 09:00–10:00›Secrets UndergroundKing Solomon's Treasures · Discovery History · Tue 10 Nov, 10:00–11:00›Secrets UndergroundTesla's Final Secrets · Discovery History · Wed 11 Nov, 09:00–10:00›Secrets UndergroundDoomsday Volcano Mystery · Discovery History · Wed 11 Nov, 10:00–11:00›Secrets UndergroundMystery Of The Serpent Mound · Discovery Science · Wed 11 Nov, 14:00–15:00›

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