Every season of Cities of the Underworld ever, ranked from best to worst by thousands of votes from fans of the show. The best seasons of Cities of the Underworld!

Istanbul

Scotland's Sin City

Hitler's Underground Lair

Rome's Hidden Empire

Catacombs of Death

City of Caves

New York

London's Lost Cities

Beneath Vesuvius

Freemason Underground

Dracula's Underground

Secret Pagan Underground

Underground Bootleggers

Rome: The Rise

Underground Apocalypse

Vietnam

A-Bomb Underground

Viking Underground

Hitler's Last Secret

Maya Underground

Mob Underground

Prophecies From Below

New York: Secret Societies

Washington D.C.: Seat of Power

Stalin's Secret Lair

Katrina Underground

Secret Soviet Bases

City Of Blood

Tunnels Of Hell

Real Mafia Underground

Secret Sin City

Hitler's Trenches

Barbarians' Lair

Land of Manson

Gladiators: Blood Sport

Secret Holy Land

Under the Rock

Tomb of the Lost Mummies

Gods of War

Alcatraz Down Under

Mayan Apocalypse

America's Military Underground

America's Unmapped Murder Tunnels

America's Ancient Ancestors

The Pirate Queen's Lair

Templars and The Founding Fathers

Secrets of the Ancient Metropolis

The Lost Aztec Colony

Don Wildman travels to the farthest and deepest reaches of the globe, using cutting-edge technology to explore mysteries buried deep underground.

The Best Seasons of Cities of the Underworld

The Best Seasons of Cities of the Underworld

Season 1

Season 2

Season 3

Other Seasons

Season 4