The "world's smallest volcano" has been used to store meals and dispose of dead bodies.

The singular ruins of a mysterious lost city.

Giant nude woman of Tijuana is also the artist's home.

The ruins of an ancient city built by Mayan traders is centered around a temple of a sacred feathered serpent deity.

A dark tunnel leads to a striking white crater that seems to be from another planet.

Stained glass windows bathe this botanical garden in cosmic light.

This church, buried halfway in lava rock, is all that remains of a Mexican village destroyed by a volcano.

An indigenous take on European design creates a stunning visual overload.

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

The meteor that sealed the fate of the dinosaurs landed at this site, one of the largest impact craters in the world.

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

A hidden treasure of an abandoned city lies deep in the jungles of Campeche, Mexico.

A museum in the former home of Marxist revolutionary Leon Trotsky.

The ruins of an ancient Mayan city, beautifully preserved and only accessible by boat.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

Two waterfalls flow down the cliff faces decorated with rare natural basalt columns.

The jewel of western Mexico's archaeological legacy is this tiered circular pyramid now covered in grass.

This beautifully deceptive waterfall is something far different from what it appears to be.

Meant to be one of the most extravagant hotels in the world, now an eerie, abandoned architectural gem in Mexico City.

An ancient system of freshwater caves filled with animal bones, including that of species long-extinct.

The only castle in North America to ever house European sovereigns.

A quirky and charming restaurant founded by artists.

The winter home of millions of migrating monarch butterflies.

The largest cave shaft in the world is home to thousands of birds and popular with BASE jumpers.