Towering basalt columns, a creation of fire and ice.

These markers are used to document elevation changes around the famed dam.

After becoming locally extinct, this esteemed avian now flies free in the forests around the ancient ruins.

In this breathtaking canyon, crocodiles bask on boulders and glide through the murky waters.

This series of waterfalls tumble into a radiantly blue river.

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

The masses at this church incorporate enough moonshine and animal sacrifice that they are no longer recognizably Catholic.

Every equinox this Maya pyramid puts on a spooky ancient light show.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

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

These winged Maya figures are the subject of speculation and conspiracies.

A 19th-century Baja cantina that many say is the birthplace of the margarita.

Legend says one of the world's largest marine geysers is actually a whale that got wedged within the rocks.