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Cities of the Underworld: 4x7
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.
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4 - 2America's Military Underground Sep. 14, 2021
4 - 3America's Unmapped Murder Tunnels Sep. 21, 2021
4 - 4America's Ancient Ancestors Sep. 28, 2021
4 - 5The Pirate Queen's Lair Oct. 05, 2021
4 - 6Templars and The Founding Fathers Oct. 12, 2021
4 - 7Secrets of the Ancient Metropolis Oct. 19, 2021
4 - 8The Lost Aztec Colony Oct. 26, 2021