The last remnants of a massive medieval wall that once encompassed the city of Berlin.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

Art installations, derelict railcars, and endangered grasshoppers all call this south Berlin park home.

During World War II, Austria's oldest salt mine was used to store thousands of pieces of stolen artwork.

More than a millennium's worth of municipal records preserve the political history of Austria.

A magnificent collection of imperial armor and weaponry.

Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

A unique showroom for bathroom fixtures featuring a giant toilet observation deck.

A remarkable two-country morph, this town is part of Germany legally but is by all other measures Swiss.

This Late Gothic building that once housed Erasmus is now known as the filming location of "Suspiria."

A stonemason's hilarious revenge came in the form of this peculiarly positioned gargoyle.

This medieval cathedral houses stained-glass windows featuring saints and pretzels.

Standing stones found on a construction site are re-erected.

This church sits upon a peaceful hill and a long, turbulent history.

For over 300 years this little carving has been the city’s good luck charm.

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

One of the most powerful religious centers in the Middle Ages, dubbed the founder of Western monasticism.

These ramparts, once lined with towers, were constructed in defense of Beaune.

When this funny little building went up in the 19th century, most people thought it would simply fall over.

A fairytale island floats in the middle of Italy's little-known Lake Orta.

The intricate geometry inside this Baroque-style dome was designed to create "terror of the human soul."

The Swiss hilltop housed an early 20th-century vegetarian nudist colony.

This artistic fountain display pays homage to this area's theatrical history.

An interactive exhibition space dedicated to the kinetic sculptures of Swiss artist Jean Tinguely.