Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

Notorious artist squat renovated into legal studios.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

An ancient Egyptian temple in the middle of Madrid, Spain.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

The yawning maw of this pagan visage is said to bite off the hands of liars.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

Pilgrimage site for star-crossed lovers.

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

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This famous archeological mystery may be an ancient example of movable type.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

The Habsburgs' royal collections of art and wonders.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

Belly up to the bar in Cowtown, don't forget to buy some boots.