This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

This ancient structure was built by a mysterious civilization that was largely destroyed by a volcanic eruption.

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

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

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

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

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

CDMX's home for the world's culinary delights.

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

This immense scene of a cosmic battle between a jaguar and serpent illustrates the Aztec concept of the duality of life.

This colossal ancient jaguar sculpture was used as a vessel for the hearts torn from sacrificial victims.

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

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

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

Many people don't realize there’s a lot going on in—and below—the world’s tallest triumphal arch.

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

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

Part bookstore, part café, and part forest.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

The former home of the woman who successfully fought to integrate restaurants in Washington, D.C.

America's only city hall with minarets took architectural cues from Ali Baba and the Forty Thieves.

A perfect circle of twenty-four mysterious holes dates back to prehistoric time.