$18.99
Other seasons
Available on
HoloLens
PC
Mobile device
Xbox 360
Description
The hit series returns as The History Channel® ventures hundreds of feet beneath the pavement of the planet’s greatest cities to reveal the hidden worlds that literally make up their foundations. Discover the fascinating and unknown histories of modern cities as the layers that lie below them are exposed.
Episodes
1. Mayan Apocalypse
42 min
9/5/2021
2. America's Military Underground
42 min
9/12/2021
3. Murder Tunnels
41 min
9/19/2021
4. America's Ancient Ancestors
41 min
9/26/2021
5. The Pirate Queen's Lair
41 min
10/3/2021
6. Templars and the Founding Fathers
41 min
10/10/2021
7. Secrets of the Ancient Metropolis
41 min
10/17/2021
8. The Lost Aztec Colony
41 min
10/24/2021