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

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

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

Part bookstore, part café, and part forest.

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

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

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

Extraordinary sculpture garden created by an eccentric English poet.

An Aztec snake god has taken the material form of an apartment complex.

The anatomical-pathological collection of a man who changed surgery.