Secrets of the Underground (2017)

Overview

Secrets of the Underground takes viewers on an intriguing exploration of hidden histories and legends. The show investigates a rumored subterranean escape route allegedly utilized by the infamous gangster Al Capone. Additionally, it delves into the mysteries surrounding the construction of ancient earthen mounds in Washington state, raising questions about their creators and purpose. Each episode combines thrilling discoveries with historical insights, uncovering the secrets that lie beneath the surface of our world.