This is the Piramide de Kukulcan. Kukulcan was an important God to the Mayan civilisation. Facts about El Castillo : there are 91 steps on each side of El Castillo, and one on the altar, adding up to 365, the number of days of the year. Chichen Itza, is inland and therefore a pretty hot place to visit. And now it is listed as one of the 7 Wonders of the World, even more reason to visit this important Mayan site.