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8 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:
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Synopsis
In "Cities of the Underworld," Don Wildman travels the globe, using cutting-edge technology to explore mysteries buried deep. Don will follow in the footsteps of treasure hunters to search for a lost Aztec colony, travel to Croatia to learn about a little-known pirate queen & explore tunnels below Los Angeles that may hold the clues to one of the most infamous cold cases in American history.
