This Bordeaux parking garage has 712 indoor spaces, and one outdoor.

Lady Liberty's original designer installed a little clone in this French fountain.

This 14th century wine cellar is home to the oldest barrel-stored wine in the world.

This massive blockhead sculpture hides an entire library.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

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

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Longest canal tunnel in the world, abandoned in the 1960s.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Lucerne's central prison was converted into a tourist hotel with a bare minimum of changes.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

These sacred Mesoamerican ruins feature peculiar petroglyphs hidden in the stones.

The former headquarters of Mexico's Secretariat of Public Education now houses a muralism museum, including Diego Rivera's first large-scale mural project.

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

Mexico City's largest market contains a Willy Wonka-esque wonderland.

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

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

One hundred years ago this small house in downtown Zürich became the birthplace of the Dada movement.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

The oldest surviving wooden bridge over Rhine lets travelers cross easily from Switzerland to Liechtensten.

In one of the world's smallest countries, a royal's personal winery is open to the public.

You may get stranded and everyone's peeing in the water, but at least there's cocktails!