The development of this cliffside waterpark is representative of Mexico's history of co-op tourism developments.

These enigmatic columns tower over the ruins of an ancient Toltec city.

This one-window stand has been home to a giant vat of slowly simmering meats and an array of unique tacos for almost 50 years.

The stoutest tree in the world.

Stained glass windows bathe this botanical garden in cosmic light.

Inside this mountain lies several kilometers of breathtaking caves.

This strange sculpture of a menacing skull surrounded by sun rays was discovered at the foot of the Pyramid of the Sun.

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

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

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

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

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

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

A 500-year-old series of tunnels long believed to be folkloric was uncovered beneath the streets of Puebla.

Explore the atmospheric ruins of an abandoned convent in the dense forests of Mexico's first national park.

The winter home of millions of migrating monarch butterflies.

An elaborate Mayan city shrouded in alien conspiracy revealed the tomb of Pacal the Great.

A uniquely robust and historic look at Mexico's omnipresent dance with Death.

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

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

High atop a Mexican rainforest mountain, this ancient pyramid once drew pilgrims countries away.

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

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