Despite the mysticism that often clouds the Mayan calendar in popular culture, fact remains that the calendar system in use by the Mayans was based on a system used throughout the pre-Columbian ...

a unique calendar, and ceremonies that featured a ball game and human sacrifice. The ancient Maya also mastered astronomy, mathematics, art and architecture, and a glyph system of writing on stone ...

El Castillo (The Castle), a 98-foot-tall pyramid, dominates the city, while the Temple of the Warriors features murals of battle scenes and village life. Tulum was the largest Maya coastal city ...