Charnel house at the foot of Mount Sinai.

This aqueduct with 18th-century origins is integrated into modern life in various ways in Oaxaca.

One of the city's most imposing Neoclassical buildings is also one of its most prestigious schools.

For decades, the parade of apostles that left the Expiatory Temple of Guadalajara remained hidden inside one of the towers.

The remains of a centuries-old water system that inspired local legends of secret tunnels.

The world's first museum of its kind is packed with nostalgic relics of the past.

A hidden room within the church displays an amazing collection of old choir books.

This baroque wonder is filled with a trove of artistic treasures.

A bronze statue of the famed Prussian naturalist commemorates the year he spent in Mexico.

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

Some charming, but sadly, unloved animal statues call this park home.

A striking depiction of Teotihuacan's mysterious "Spider Woman."

These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.

This bridge over the River Cuale leads to a neighborhood that was once an escape for Hollywood's elite.

The first public library in the Americas has more than 45,000 books dating back to the 15th century.

The stoutest tree in the world.

This Aztec structure remained hidden until the demolition of a supermarket exposed the lost temple.

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

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

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

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

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

Underneath the historic center of Mexico City, the remains of a temple dedicated to the Aztec god of the wind.

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