This beautiful region is in the southern state of Chiapas, which shares a border ... ll find Agua Azul — a series of stunning limestone waterfalls with impossibly blue water.

Chiapas is also packed with some incredible waterfalls. The best-known are the Cascadas Agua Azul (about a four-hour drive from San Cristobal) and the Cascadas El Chiflon (a three-hour trip).