This 600-year-old home seems to defy physics.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

The footprint of a frustrated devil in Munich's Cathedral.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

This historic stone bridge has an entire neighborhood clinging to its sides.

An intricate and amazing house built by architect Karl Junker.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Skeletons dressed in extravagant 18th century royal costumes cavort in the aisles of this German basilica.

This "floating railway" is one of the world's oldest monorail systems.

A striking 12th-century-style castle built on the edge of a cliff.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

A diminutive statue that was inspired by the sculptor's own daughter.

The metal leaves on this tree are engraved with the names of Holocaust victims.

This building has survived for more than a century and remains virtually untouched.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Some of the greatest minds in the history of Hungarian art and science converged in this café.