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Watch over 2 000 of HISTORY’s most fascinating documentaries and series  anytime  commercial-free.

HISTORY VAULT

Don follows the clues hidden underground as he searches for evidence of 10,000 Aztecs who fled Mexico and disappeared somewhere in America.

Cities of the Underworld

The Lost Aztec Colony

Don explores the massive underground cities in the mountains of Turkey that may have been home to the first civilization on Earth.

Secrets of the Ancient Metropolis

Don goes deep beneath a Knights Templar stronghold in Turkey to explore a provocative theory that may link the fabled secret society to the founding fathers of America.

Templars and the Founding Fathers

Don explores newly discovered ruins and caves in Croatia as he uncovers the true story of a formidable queen who dared to defy the powerful Roman Empire.

The Pirate Queen's Lair

Don goes deep beneath the great lakes and explores flooded caves as he searches for evidence of a mysterious, cave-dwelling society that may have been the first people to reach America.

America's Ancient Ancestors

Don uses brand-new mapping technology to expose the dark and deadly uncharted spaces beneath American cities.

Murder Tunnels

Don explores top-secret military and government tunnels.

America's Military Underground

Don Wildman explores deep below ancient ruins as he searches for clues pointing to the true fate of the once-mighty Mayan empire.

Mayan Apocalypse

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S4 E8 | The Lost Aztec Colony