Cities of the Underworld - History

Explore the hidden depths of history in this captivating series that uncovers subterranean secrets across the globe. Delve into a diverse range of underground marvels, from a massive nuclear arsenal concealed in Arizona to the discovery of the oldest human fossils. Journey through ancient Rome's bloody gladiator arenas, unravel the mysteries of the Knights Templar, and marvel at a newly unearthed underground city in Turkey. Investigate new evidence surrounding Montezuma's legendary golden treasure in this thrilling exploration of the world beneath our feet.

Massive Nuclear Arsenal Hidden in Arizona | Cities of the Underworld (Season 1) | History.
Cities of the Underworld: The Oldest Human Fossils Discovered (Season 1).
Ancient Rome's Bloody Gladiator Arenas | Cities of the Underworld (Season 1).
The Knights Templar: Top Secrets Revealed | Cities of the Underworld (Season 1).
Ancient Underground City Discovered in Turkey | Cities of the Underworld (Season 1).
New Evidence of Montezuma's Golden Treasure | Cities of the Underworld (Season 1).