The series of events that lead the ancient Maya to abandon many pyramid-filled cities has long puzzled archaeologists. Now, new investigations in Mexico and Guatemala are exposing surprising evidence about why these great monuments were deserted. The Rise and Fall of the Maya | S1, E3 Explore the World with National Geographic subscriptions: http://natgeo.com/ytngmagazine ➡ Subscribe: https://on.natgeo.com/4p5A0D6 ➡ Get more Nat Geo Full Episodes: https://on.natgeo.com/3V5ZfHI ➡ Get wild with