The BEST episodes of Cities of the Underworld season 4

Every episode of Cities of the Underworld season 4, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Cities of the Underworld season 4!

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: 11/1/2024Network: HistoryStatus: Ended
star
10.00
1 votes

#1 - Secrets of the Ancient Metropolis

Season 4 - Episode 7 - Aired 10/19/2021

Don explores the massive underground cities in the mountains of Turkey that may have been home to the first civilization on Earth.

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star
8.00
1 votes

#2 - Templars and the Founding Fathers

Season 4 - Episode 6 - Aired 10/12/2021

Don goes deep beneath a Knights Templar stronghold in Turkey to explore a provocative theory that may link the fabled secret society to the founding fathers of America.

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star
7.86
14 votes

#3 - Murder Tunnels

Season 4 - Episode 3 - Aired 9/25/2021

Don uses brand new mapping technology to expose the dark and deadly uncharted spaces beneath American cities.

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star
7.77
13 votes

#4 - America's Military Underground

Season 4 - Episode 2 - Aired 9/14/2021

Don explores top-secret military and government tunnels and looks into classified technology that could be used to build entire cities...right under our feet.

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star
7.33
9 votes

#5 - America's Ancient Ancestors

Season 4 - Episode 4 - Aired 9/28/2021

Don goes deep beneath the great lakes and explores flooded caves as he searches for evidence of a mysterious, cave-dwelling society that may have been the first people to reach America.

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star
7.08
13 votes

#6 - Mayan Apocalypse

Season 4 - Episode 1 - Aired 9/3/2021

Don Wildman explores deep below ancient ruins as he searches for clues pointing to the true fate of the once-mighty Mayan empire.

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star
6.00
1 votes

#7 - The Pirate Queen's Lair

Season 4 - Episode 5 - Aired 10/5/2021

Don explores newly discovered ruins and caves in Croatia as he uncovers the true story of a formidable queen who dared to defy the powerful Roman Empire.

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star
0.00
0 votes

#8 - The Lost Aztec Colony

Season 4 - Episode 8 - Aired 10/26/2021

Don follows the clues hidden underground as he searches for evidence of 10,000 Aztecs who fled Mexico and disappeared somewhere in America.

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