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

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

Visiting this cacophonous collection of vintage novelties is like stepping into the mind of a crazed toymaker.

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

Explore the atmospheric ruins of an abandoned convent in the dense forests of Mexico's first national park.

A quirky and charming restaurant founded by artists.

Meant to be one of the most extravagant hotels in the world, now an eerie, abandoned architectural gem in Mexico City.

A church dedicated to the Mexican skeleton saint.

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.

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

Part bookstore, part café, and part forest.

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

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

The scene of a legendary hunt is displayed on this building's facade.

Hidden inside a hotel is a museum of miniature models depicting the traditions and history of Mexico.

The first public library in the Americas has more than 45,000 books dating back to the 15th century.

Statue of Edgar Hernandez, the first victim of swine flu.

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

This often-overlooked ocean walkway was once considered an impossible fantasy.

The former textile factory is now an oasis for the arts.

In a quiet residential neighborhood, one restaurant fights to preserve heirloom corn, one tortilla at a time.

This graveyard boasts a medley of diverse and imaginative funeral architecture.

One of the city's few vendors selling the Sierra Norte's ancestral beverage lies within a hidden farmers market.