Secrets of the Underground
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A quest to uncover a hidden escape passage allegedly utilized by Al Capone. Additionally, an investigation into the origins of the earthen mounds found in Washington state.
TV Status:Returning Series
Duration:1h
Views:502
Genre:Documentary, Reality
Studio:Science Channel
Creators:Christopher Cassel, Sarah Dalsimer
Release:2017
Country:United States of America
Networks:Science
TMDb:4.3 (3)
IMDb:6.4
FilmAffinity:6.0
Your rating:
7.6
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