The Knights Templar: Top Secrets Revealed | Cities of the Underworld (Season 1)

Join us as we explain the wildest, weirdA secret society known as the Knights Templar is believed to have influenced major groups throughout history. Find out more in this clip from Season 1, “Templars and the Founding Fathers.” 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. est, most shocking moments of all time in History Countdown