Psychedelic murals coat the inside of a nondescript research library.

This ancient structure was built by a mysterious civilization that was largely destroyed by a volcanic eruption.

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

The ruins of an ancient temple to the Aztec wind god discovered in the middle of a metro station.

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

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

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

CDMX's home for the world's culinary delights.

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

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

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

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

Twelve natural mummies are displayed in the crypt of this former monastery school.

Stained glass windows bathe this botanical garden in cosmic light.

Hotel designed around a 16th century Mexican bullring.

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

The stoutest tree in the world.