Is Cities of the Underworld coming back?

Cities of the Underworld ended on October 26, 2021, on the History channel.

The series was a documentary-style show that explored the hidden underground worlds beneath some of the world's greatest cities. It took viewers deep beneath the streets of places like Rome, London, Paris, and New York to reveal tunnels, abandoned subway lines, underground water supplies, and forgotten structures. Combining high-definition visuals and computer graphics, the show illustrated how these subterranean features were constructed and how they contributed to the modern cities above.

Cities of the Underworld was a series that premiered in 2007 and ran for four seasons, with the last season airing in 2021. The show was hosted by Don Wildman and Eric Geller, who guided viewers through these mysterious underground spaces. It provided insights into the engineering marvels and historical secrets that lie beneath urban landscapes, often revealing stories of lost civilizations, hidden hideouts, and underground tunnels used for various purposes throughout history. The show was rated 7.9 on TVMaze and each episode had a runtime of approximately 60 minutes.