Chichén Itzá, Mexico — At the spring and fall equinoxes, the setting sun casts serpent-like shadows along the northern stairs of El Castillo, or “the castle.” Built more than a thousand years ago by ...

A bit of magic happens at Chichen Itza, Mexico, on the first day of spring. As the sun goes down, seven sunlit triangles appear on the north staircase of the Castillo, the main pyramid in this ancient ...

Reason: The brilliant ruins of Chichén Itzá evidence a dazzling ancient city that once centered the Maya empire in Central America. The stepped pyramids, temples, columned arcades, and other stone ...

Mexico is the North American nation with the most UNESCO World Heritage sites, thanks in large part to its rich history and well-preserved archaeological sites – some of which are still being ...