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

These museum grounds are a Dalai Lama-declared peace oasis.

One of the world's richest men bought this former paper factory and transformed it into a mall.

These biodiverse university gardens form a green oasis amid the urban chaos of Mexico City.

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

These subterranean models show Mexico City's central square during three different eras.

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

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

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

The collection of intricate sculptures includes one carved from a mammoth's tusk

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

A grand entrance to one of the world's smallest Chinatowns.

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

The ruins of the bathhouse used by the ill-fated last Aztec emperor still lie in Chapultepec Park.

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

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

66,000 pieces of art, donated by one of the world's richest men.

Part bookstore, part café, and part forest.

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

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

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