The UnXplained: Ancient Earthquake Killed 50,000 People (Season 4)

Lisbon’s glory was reduced to ashes after powerful earthquake. See more in this scene from Season 4, Episode 21, “Devastating Disasters.“ Watch all your favorite episodes of The UnXplained, and stay up to date on all of your favorite The HISTORY Channel shows at #TheUnXplained Subscribe for more from The UnXplained and other great The HISTORY Channel shows: Watch more The UnXplained on YouTube in this playlist: Find out more about the show and watch full episodes on our site: Check out exclusive The HISTORY Channel content: History Newsletter - Website - Facebook - Twitter - From the producers of Ancient Aliens and The Curse of Oak Island comes The UnXplained, a one-hour, non-fiction series that explores the wor