Chichen Itza: City of Warriors

S1 E6: Chichen Itza is one of the most impressive of all the Mayan cities found scattered throughout Mexico's Yucatan Peninsula. Here we discover such mysterious structures as El Caracol, known as the Temple of the Warriors, and the magnificent pyramid known as El Castillo. What kind of rituals took place here? Did astronomy play an important role in the lives of the ancient Maya?