Cities of the Underworld: 4x3
America's Unmapped Murder Tunnels
Don uses brand-new mapping technology to expose the dark and deadly uncharted spaces beneath American cities. He explores the criminal underworld below Portland, Oregon; Seattle, Washington; Chicago, Illinois; and Los Angeles, California.
4 - 1Mayan Apocalypse Sep. 07, 2021- 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
