Cities of the Underworld

S4 E3 | Murder Tunnels

0h 41m|TVPG|History, Science, Documentary, World history|HISTORY Vault|2021

Don uses brand-new mapping technology to expose the dark and deadly uncharted spaces beneath American cities.

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Cities of the Underworld

E8 | The Lost Aztec Colony

E7 | Secrets of the Ancient Metropolis

E6 | Templars and the Founding Fathers

E5 | The Pirate Queen's Lair

E4 | America's Ancient Ancestors

E3 | Murder Tunnels

E2 | America's Military Underground

E1 | Mayan Apocalypse

GENREHistory, Science, Documentary, World history

DETAILSNetwork: HISTORY Vault Runtime: 41m Rating: TVPG