817-471761 - El Caracol, The Observatory Temple in prehispanic Mayan city of Chichen Itza Archaeological Site, Yucatan Province, Mexico, North America.
391-1477 - Mayan observatory (El Caracol) and the Great Pyramid (El Castillo) beyond, Chichen Itza, UNESCO World Heritage Site, Yucatan, Mexico, North America
391-1044 - El Caracol, Mayan observatory, where windwos align with certain stars, Chichen-Itza, UNESCO World Heritage Site, Yucatan, Mexico, North America