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Secrets of the Underground

Capone's Escape Tunnels

Season 1 Episode 1
Rob Nelson investigates rumors of a secret underground escape route used by the infamous gangster Al Capone. In Washington state, Rob tries to uncover who -- or what -- built a vast landscape of earthen mounds in Washington state.
  • 43 min
  • TV-PG
  • Premiered 02/14/2017