Home to an endangered salamander, a full moon celebration, and a large spring-fed outdoor swimming pool.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

The peaceful space is adorned by paintings by the famed abstract artist Mark Rothko.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

This colorful, ornately-decorated cemetery sits next to a quiet cove known as "the beach of the dead."

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

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

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

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

This incredible college library is a visual masterpiece of mosaic art. It also looks kind of like a giant boombox.

This mid-century mural portrays humankind's spiritual and scientific journey.

This laboratory has a remarkable concrete roof that measures less than an inch at its thickest point.

A gigantic, symbolic artwork covers the side of the building.

Frida Kahlo's childhood home, now a museum of her life and works.

Dating back to the second century, vestiges of prehispanic mural paintings are found in this underground palace.

This colossal ancient sculpture of the monstrous Aztec rain god has a literally stormy history.

The striking jade death mask of an ancient Maya king is displayed in a replica tomb in Mexico City.

The unique collection often goes unnoticed by visitors focused only on the archaeological objects.

It's believed this golden brick is part of the legendary lost Aztec treasure.

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

This cluttered cantina is famed for its cheese-spiked, raisin-flavored liqueur.

Mexico’s first and only Tzotzil Maya bookbinding workshop.

The former house of an anthropologist couple displays Lacandón Maya artifacts in a homey atmosphere.

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