An urban forest overtakes what was the greatest failure of utopic urban housing.

Murals made with millions of colorful stones adorn the abandoned building.

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

A gigantic, symbolic artwork covers the side of the building.

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

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

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

Mexico City's largest market contains a Willy Wonka-esque wonderland.

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

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

At a museum of everyday objects, it is the act of collecting that is really on display.

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

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

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

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

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

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

Frida Kahlo's childhood home, now a museum of her life and works.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

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

This beautiful and unmissable little museum is full of fascinating artifacts from Mesoamerica's great civilizations.

An incredible little museum of interior design full of artifacts collected from around the world.

High atop a Mexican rainforest mountain, this ancient pyramid once drew pilgrims countries away.

The ruins of an ancient city built by Mayan traders is centered around a temple of a sacred feathered serpent deity.