A former customs station on the border of Germany and the Netherlands.

This strange sculpture is an enigmatic icon of this medieval German town.

Art historians have debated the identity of this medieval stone rider since the 19th century.

This mine is home to the largest man-made hole in Europe.

According to legend a man pooped out the window of this tower to prove that it was straight.

Germany's last remaining Lenin statue has become a lightning rod of debate about the country's divided past.

Twelve sweet, nutty, life-sized statues are housed in this second-story shrine to almond paste.

These tenacious 14th-century towers defied demolition and are now a fairytale vacation rental.

A tilted half-timbered house from 1672 is built into a salvaged segment of a medieval wall.

On the highest peak in the Harz Mountains, science and the occult faced off in a failed attempt to turn a goat into a boy.

A ruined castle stands atop a hill surrounded by dragon lore.

A preserved college lock-up that recalls a clubhouse approach to discipline.

An officers prison camp believed to be impregnable by the Germans saw over 30 successful escapes.

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

Constantly maintained, this organ is playing a six-century long composition by John Cage.

This bakery and museum offers tours of the tastes and mythology of Aachen's signature spice biscuit—just don't ask for the recipe.

The small alleys in Lübeck's Old Town are a result of medieval urban sprawl.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

A statue honors the local legend that the devil helped build St. Mary's church after being tricked into thinking it was going to be a wine bar.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

The medieval institution is home to the precious treasure stolen in World War II in one of the greatest art thefts of the 20th century.

Hamburgers are intensely proud of their tunnel beneath the river.

A strange rock formation with numerous legends trying to explain it.