1
Mayan Apocalypse
Exploring below ancient ruins to search for clues pointing to the true fate of the Mayan empire.
42min | Aired on Sep 07, 2021 | TV-PG | CC
2
America's Military Underground
Don explores top-secret military and government tunnels.
42min | Aired on Sep 14, 2021 | TV-PG | CC
3
Murder Tunnels
Don uses brand-new mapping technology to expose the uncharted spaces beneath American cities.
41min | Aired on Sep 21, 2021 | TV-PG V,L | CC
4
America's Ancient Ancestors
Discoveries lie under the streets of today's greatest cities.
41min | Aired on Sep 28, 2021 | TV-PG L | CC
5
The Pirate Queen's Lair
Discoveries lie under the streets of today's greatest cities.
41min | Aired on Oct 05, 2021 | TV-PG | CC
6
Templars and the Founding Fathers
Don goes deep beneath a Knights Templar stronghold in Turkey to explore a provocative theory.
41min | Aired on Oct 12, 2021 | TV-PG V | CC
7
Secrets of the Ancient Metropolis
Don explores the massive underground cities in the mountains of Turkey.
41min | Aired on Oct 19, 2021 | TV-PG L | CC
8
The Lost Aztec Colony
Don follows the clues hidden underground as he searches for evidence of 10,000 Aztecs.
41min | Aired on Oct 26, 2021 | TV-PG | CC
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