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

The singular ruins of a mysterious lost city.

A Volkswagen Beetle decorated with millions of beads connects Mexico's past and future.

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

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

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

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

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

The winter home of millions of migrating monarch butterflies.

You can release a young butterfly at this beautiful indoor garden.

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

This beautifully deceptive waterfall is something far different from what it appears to be.

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

This extraordinary art museum is like a secret world on the edge of Mexico City.

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

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

A museum in the former home of Marxist revolutionary Leon Trotsky.

An airy Art Deco space devoted to the weird and wonderful folk art traditions of Mexico.

Diego Rivera's massive tiled fountain and failed infrastructure project.

The only castle in North America to ever house European sovereigns.

Gilded heaven for philatelists and architecture freaks, still in full working order despite sitting atop tremulous ground.

These haunting ruins of a 700-year-old Prehispanic city have witnessed centuries of wars and massacres.