The turquoise-studded skull of a long-dead Aztec man sits within Mexico City’s Museum of Anthropology.

A Mexican Romeo-and-Juliet-esque legend has given this super-narrow alleyway a reputation for romance.

In Coyoacán, a pair of coyotes crown a public fountain in reference to the ancient Aztec name of the borough.

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

This museum houses two of Mexico's most impressive Aztec monoliths.

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

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

Once home to an aristocratic family and a workers' organization, this intricately tiled building now houses a chain restaurant.

On a cornerstone of the City Museum is the head of a monstrous serpent stolen from an Aztec pyramid 400 years ago.

These spectacular, symbolic serpents lie within the shadow of the Great Temple.

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

At least seven hues of blue and turquoise make this freshwater lagoon unique.

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

The singular ruins of a mysterious lost city.

This ancient jade mask depicting the Zapotec bat god was found in the ruins of the pyramids of Monte Alban.

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

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

This foreboding building was the headquarters of the terrifying Spanish Inquisition in Mexico.

The Mexican painter Diego Rivera created this unusual museum to display his collection of pre-Hispanic artifacts.

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

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

Mexico's astounding mummy museum with "the world's smallest mummy."

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

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