Cities of the Underworld: The Oldest Human Fossils Discovered (Season 1)

Located underneath Tulum lies some of the oldest human fossils ever. These fossils are evidence of a long-lost society, in this clip from Season 1, "America s Ancient Ancestors." Watch all new episodes of Cities of the Underworld, returning, Tuesdays at 10/9c, and stay up to date on all of your favorite The HISTORY Channel shows at history.com/schedule. #CitiesoftheUnderworld Subscribe for more from Cities of the Underworld and other great The HISTORY Channel shows: http://histv.co/SubscribeHistoryYT Check out exclusive HISTORY content: History Newsletter - https://histv.co/newsletter Website - https://histv.co/History Facebook - https://histv.co/Facebook Twitter - https://histv.co/Twitter HISTORY® is the leading destination for award-winning original series and specials that connect viewers with history in an informative, immersive, and entertaining manner across all platforms. The network’s all-original programming slate features a roster of hit series, premium documentaries, and scripted event programming.