Ancient Underground City Discovered in Turkey | Cities of the Underworld (Season 1)

In the center of Turkey lies an incredible rock formation with a mysterious underground city buried beneath, in this clip from Season 1, "Secrets of the Ancient Metropolis."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. #CitiesoftheUnderworldSubscribe for more from Cities of the Underworld and other great The HISTORY Channel shows:http://histv.co/SubscribeHistoryYTSubscribe for more HISTORY:http://histv.co/SubscribeHistoryYTCheck out exclusive HISTORY content:History Newsletter - https://histv.co/newsletterWebsite - https://histv.co/HistoryFacebook - https://histv.co/FacebookTwitter - https://histv.co/TwitterHISTORY® 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.