Cities of the Underworld (2007)
Genre: Documentary | History
Release: 16 April 2007
IMDB link: IMDB
Synopsis: Peel back the layers of history with hosts Don Wildman and Eric Geller, as they explore underneath the cities of the world to find the hidden engineering feats and dark histories buried beneath. Travel though a maze of tunnels, hidden water supplies, hideouts, and tombs lost to time.