Mexico - Chichen Itza

Chichén Itzá, Yucatán State, Mexico, December 22, 2004. -- Tourists are climbing on the Temple of Kukulcan that is a Mesoamerican step-pyramid that dominates the center of the Chichen Itza archaeological site. Built by the pre-Columbian Maya civilization sometime between the 9th and 12th centuries CE, El Castillo served as a temple to the god Kukulkan, the Yucatec Maya Feathered Serpent deity closely related to the god Quetzalcoatl known to the Aztecs and other central Mexican cultures of the P (Photo by Thierry Tronnel/Corbis via Getty Images)