Tag: GPR

From Secret Underground Passageways Used by Al Capone During Prohibition to a Legendary Network of Complex Escape Tunnels at Alcatraz… Some of the world’s most confounding archaeological and architectural secrets are located close to home and just beneath our feet.

Thanks to new technological advances, get ready to explore these subterranean mysteries and more in an all-new series…  SECRETS OF THE UNDERGROUND   Premieres Tuesday February 14th at 10pm ET/PT on Science Channel Ric Catches up with Emmy® winning science and tech fanatic Rob Nelson, as he travels the country to investigate long lost, subterranean […]

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