The BEST episodes of Cities of the Underworld season 3

Every episode of Cities of the Underworld season 3, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Cities of the Underworld season 3!

Right beneath our feet, there are cities hidden by time that may hold clues that could rewrite history. In “Cities of the Underworld,” Don Wildman travels to the farthest and deepest reaches of the globe, using cutting-edge technology to explore mysteries buried deep underground. Across the season, Don will follow in the footsteps of treasure hunters to search for a lost Aztec colony, travel to Croatia to learn about the lost history of a little known pirate queen who supposedly ruled her empire from a muddy cave, and explore tunnels below the city of Los Angeles that may hold the clues to solving one of the most infamous cold cases in American history.

Last Updated: 5/2/2024Network: HistoryStatus: Continuing
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Real Mafia Underground
star
8.29
7 votes

#1 - Real Mafia Underground

Season 3 - Episode 3 - Aired 11/9/2008

Underground Sicily and the origins of the Mafia are explored. Included: the escape route of a mob boss; a bone crypt; and bunkers used during World War II by the Axis powers.

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City of Blood: London, England
star
8.00
14 votes

#2 - City of Blood: London, England

Season 3 - Episode 1 - Aired 10/26/2008

The third-season opener explores Victorian-era London, when hard times forced many to take extreme measures to procure food and shelter.

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Hitler's Trenches
star
8.00
7 votes

#3 - Hitler's Trenches

Season 3 - Episode 5 - Aired 11/23/2008

Underground Belgium is explored, focusing on the trenches and tunnels of World War I.

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Secret Holy Land
star
8.00
5 votes

#4 - Secret Holy Land

Season 3 - Episode 9 - Aired 12/22/2008

Underground Ethiopia is explored. Included: tombs of emperors; subterranean cathedrals; and the palace of the Queen of Sheba. Also: theories regarding the possible resting place of the Ark of the Covenant.

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Tomb of the Lost Mummies
star
7.88
8 votes

#5 - Tomb of the Lost Mummies

Season 3 - Episode 11 - Aired 1/26/2009

Underground Cairo is explored, focusing on ancient structures that have withstood time and countless invasions. Included: a step pyramid built a century before the Giza pyramids; and a tomb containing 2000-year-old mummies. Also examined: the Book of the Dead.

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Tunnels of Hell
star
7.82
11 votes

#6 - Tunnels of Hell

Season 3 - Episode 2 - Aired 11/2/2008

Exploring the Japanese island of Okinawa and its complex system of subterranean tunnels, caves and bunkers that was used during World War II.

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Barbarian's Lair
star
7.64
11 votes

#7 - Barbarian's Lair

Season 3 - Episode 6 - Aired 12/1/2008

Exploring life beneath the streets in Europe after the fall of the Roman Empire.

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Land of Manson
star
7.63
8 votes

#8 - Land of Manson

Season 3 - Episode 7 - Aired 12/7/2008

Underground Los Angeles is explored. Included: Charles Manson's subterranean hideaways; tunnels used by corrupt cops; the subway system; and military bunkers.

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Secret Sin City: Las Vegas, USA
star
7.29
38 votes

#9 - Secret Sin City: Las Vegas, USA

Season 3 - Episode 4 - Aired 11/16/2008

Underground Las Vegas is explored. Included: secret surveillance centers for casinos; underground vaults; and tunnels used during the Prohibition era.

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Gods of War
star
7.18
11 votes

#10 - Gods of War

Season 3 - Episode 12 - Aired 2/2/2009

Underground Turkey is explored, focusing on the remnants from invasions and travelers on the trade routes. Included: the lore of the Trojan War.

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Under the Rock
star
7.17
6 votes

#11 - Under the Rock

Season 3 - Episode 10 - Aired 1/12/2009

Underground San Francisco is explored. Included: an ammunitions depot; a former repository for nuclear missiles; Civil War fortifications beneath Alcatraz; and tunnels below Chinatown.

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Gladiators: Blood Sport
star
7.03
32 votes

#12 - Gladiators: Blood Sport

Season 3 - Episode 8 - Aired 12/15/2008

Ancient Rome is explored, focusing on places associated with gladiators, including the Colosseum, brothels and crypts. Also: a school where gladiators learned how to fight and survive.

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Alcatraz Down Under: Sydney, Australia
star
7.00
9 votes

#13 - Alcatraz Down Under: Sydney, Australia

Season 3 - Episode 13 - Aired 2/9/2009

Underground Sydney is explored. Included: a 19th-century prison; caves that were once home to fugitive outlaws; gold mines. Also: a secret World War II storage place for chemical weapons is toured by those who once worked there.

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