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WATCH NEWEST EPISODES
S4 E1 - Mayan Apocalypse
S4 E2 - America's Military Underground
S4 E3 - America's Unmapped Murder Tunnels
S4 E4 - America's Ancient Ancestors
S4 E5 - The Pirate Queen's Lair
S4 E6 - Templars and The Founding Fathers
S4 E7 - Secrets of the Ancient Metropolis
S4 E8 - The Lost Aztec Colony
Streaming, rent, or buy Cities of the Underworld – Season 4:
Currently you are able to watch "Cities of the Underworld - Season 4" streaming on History, HISTORY Vault Apple TV Channel, HISTORY Vault Amazon Channel or for free with ads on History. It is also possible to buy "Cities of the Underworld - Season 4" as download on Amazon Video, Apple TV, Fandango At Home.
Synopsis
Descend hundreds of feet below the streets to explore the remnants of past civilizations.
