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

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

The burial place of some of Mexico's most prominent residents is full of macabre stories and hidden masonic symbols.

A trompe l'oeil mural remembers the original colonial building that once stood here.

A disquieting Aztec sculpture displays hundreds of stone skulls representing the victims of human sacrifice.

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

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

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

The former headquarters of Mexico's Secretariat of Public Education now houses a muralism museum, including Diego Rivera's first large-scale mural project.

Sample sweets at an Art Nouveau candy shop that's been in business since 1874.

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

This "City of Books" holds a museum, library, and the complete personal book collections of five of Mexico's greatest thinkers.

This once-abandoned mansion is now a dreamy event space.

A fabulously bizarre surrealist sculpture by the late artist Leonora Carrington.

A small building that loosely resembles a tooth is appropriately used as a dentist office.

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

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

Part bookstore, part café, and part forest.

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

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

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

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

It's believed this golden brick is part of the legendary lost Aztec treasure.

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