Cities of the Underworld Season 4 Episode 7
Secrets of the Ancient Metropolis
Don explores the massive underground cities in the mountains of Turkey that may have been home to the first civilization on Earth.
4 - 8The Lost Aztec ColonyOct. 26, 2021- 4 - 7Secrets of the Ancient MetropolisOct. 19, 2021
- 4 - 6Templars and The Founding FathersOct. 12, 2021
- 4 - 5The Pirate Queen's LairOct. 05, 2021
- 4 - 4America's Ancient AncestorsSep. 28, 2021
- 4 - 3America's Unmapped Murder TunnelsSep. 21, 2021
- 4 - 2America's Military UndergroundSep. 14, 2021
- 4 - 1Mayan ApocalypseSep. 07, 2021
