These azure waters were thought to lead to the Mayan Underworld.

Found down a long dirt road, a sacred Mexican cenote and 18th-century hacienda remain hidden.

This small museum explores Mexican history and culture through clothing.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

A flooded Mexican cave that hides a river beneath the water.

Few of the many visitors to this resort town know of its hidden Maya ruins.

A small site dedicated to the memory of a local leader and the search for peace.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

One of Mexico's youngest major cities still holds on to this structure representing its short modern history.