Coba (Maya: Cob Ha - muddy water)
The Maya name was Cob Ha and means muddy water, named after the muddy lagoons close to the site. Coba is the largest and oldest Mayan Ruin site in the Yucatan, with an estimated 6,500 structures dating back to 200 B.C. Coba has the highest pyramid in the Mayan world, at nearly 140 feet ( 42 m ) high, with 120 steps to the top, giving you a fantastic view over the jungle.