Once a path for Jewish funeral processions, this unassuming alleyway is rich in local lore.

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

What looks like a normal building is really a hollow facade hiding a subway vent.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

The celebrated eyesore created by starry-eyed sweethearts.

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

A series of abstract, silly sculptures represent the works of a great modern classical composer.

This former steel and coal plant is now a neon-lit industrial fantasia.

An industrial relic is now one of Europe's most staggering art spaces.

The Bauhaus-style former industrial complex is considered the world's most beautiful coal mine.

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

This ornate Weser Renaissance house was also the home of an infamous witch hunter.

According to a satirical conspiracy theory that persists today, this German city of 300,000 is a hoax invented by the CIA.

A poignant mural honors the heroic teenage non-conformists who took on the Nazis and paid the ultimate price.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

The highway's southernmost spot is a beloved local attraction.

A monument celebrating the idea of reaching inaccessible places.

"We Seceded Where Others Failed."

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

Metro station with a claim to rock n' roll fame.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

The abandoned remains of this Victorian brewery hide crumbling bowling alleys and rusting industrial gear.