Its incredible collections are dedicated to preserving Mexico's film history.

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

Come face to face with the ferocious visage of the serpent-headed mother goddess of the Aztecs.

A Mexican Romeo-and-Juliet-esque legend has given this super-narrow alleyway a reputation for romance.

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

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

A series of abstract sculptures pop up from an otherworldly volcanic landscape.

Two waterfalls flow down the cliff faces decorated with rare natural basalt columns.

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

Mexico's astounding mummy museum with "the world's smallest mummy."

The winter home of millions of migrating monarch butterflies.

By night, this auto repair shop turns into a taquería serving up some of the city's finest al pastor tacos.

This old-school café is famous for serving coffee, chilaquiles, and the Cuban Revolution.

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

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

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

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

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

Part bookstore, part café, and part forest.

The only museum with its curator—and her pets—buried inside.

Go inside to really appreciate this 500-year-old technological masterpiece.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.