This collection of promotional calendars preserves a staple of mid-century Mexican pop art.

Come face to face with the ferocious visage of the serpent-headed mother goddess of the Aztecs.

Inside a busy metro station, an impressive mural depicts the prehispanic city of Tenochtitlán.

The most complete statue of this Aztec god sits a top a throne carved with images of hallucinogenic plants.

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

The famous artist couple lived and worked here, in two different houses separated by a bridge.

Bolivia's needle-like rock formations.

Thousands of fossilized footprints speckle this Bolivian national park.

Towering basalt columns, a creation of fire and ice.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

Run by members of the Tohono O'odham Nation, this community farm nurtures traditional desert cultivars.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

Stairs often replace streets on the steep slopes of this old mining town.

A geological mystery on Camelback Mountain.

An off-the-beaten path cave with an underground lake.

The largest and most well-preserved petroglyph site in the Verde Valley.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

Some of Arizona's best spit-roasted tacos al pastor can be found at a weekend swap meet.

This old selenite mine is dotted with tiny crystals that make it shimmer like it's covered in glitter.

Hike the unusual hoodoos and rock formations that form this little-known natural wonder.

More than 300 years ago, a revolt at this Hopi pueblo shaped the future of the American Southwest.

Legend says train robbers stashed their gold within the depths of this unusual cave.

The cinder cone volcano with a less than complimentary name.