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Season 2
Episode 1:
Mayan Apocalypse
Episode 2:
America's Military Underground
Episode 3:
America's Unmapped Murder Tunnels
Episode 4:
America's Ancient Ancestors
Episode 5:
The Pirate Queen's Lair
Episode 6:
Templars and The Founding Fathers
Episode 7:
Secrets of the Ancient Metropolis
Episode 8:
The Lost Aztec Colony
Episode 1:
City Of Blood
Episode 2:
Tunnels Of Hell
Episode 3:
Real Mafia Underground
Episode 4:
Secret Sin City
Episode 5:
Hitler's Trenches
Episode 6:
Barbarians' Lair
Episode 7:
Land of Manson
Episode 8:
Gladiators: Blood Sport
Episode 9:
Secret Holy Land
Episode 10:
Under the Rock
Episode 11:
Tomb of the Lost Mummies
Episode 12:
Gods of War
Episode 13:
Alcatraz Down Under
Episode 1:
Underground Apocalypse
Episode 2:
Vietnam
Episode 3:
A-Bomb Underground
Episode 4:
Viking Underground
Episode 5:
Hitler's Last Secret
Episode 6:
Maya Underground
Episode 7:
Mob Underground
Episode 8:
Prophecies From Below
Episode 9:
New York: Secret Societies
Episode 10:
Washington D.C.: Seat of Power
Episode 11:
Stalin's Secret Lair
Episode 12:
Katrina Underground
Episode 13:
Secret Soviet Bases
Episode 1:
Istanbul
Episode 2:
Scotland's Sin City
Episode 3:
Hitler's Underground Lair
Episode 4:
Rome's Hidden Empire
Episode 5:
Catacombs of Death
Episode 6:
City of Caves
Episode 7:
New York
Episode 8:
London's Lost Cities
Episode 9:
Beneath Vesuvius
Episode 10:
Freemason Underground
Episode 11:
Dracula's Underground
Episode 12:
Secret Pagan Underground
Episode 13:
Underground Bootleggers
Episode 14:
Rome: The Rise
Episode 1:
Istanbul
Cities of the Underworld Season 2 Episode 12 Online
Overview:
Don Wildman travels to the farthest and deepest reaches of the globe, using cutting-edge technology to explore mysteries buried deep underground.
