Science Ch. - Secrets of the Underground Series 1 (2017) Part 1 Capones Escape Tunnels

Secrets of the Underground Series 1

Rob Nelson, an ecologist by trade and an explorer by pastime, travels the country to investigate long-lost, subterranean phenomena

Part 1 Capones Escape Tunnels

Investigating rumors of a secret underground escape route used by the infamous gangster Al Capone; trying to uncover who or what built a vast landscape of earthen mounds in Washington State.

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