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

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

The last bastion of Roman presence north of the Alps looms over a German town.

A neighborhood church's unusual abstract stained glass was the final project of avant-garde artist Jean Cocteau.

One English town's celebratory landmark spurred more trouble than anticipated.

Limestone grottoes turns everyday objects into stone.

A beautiful and classically designed villa, with an hourly infestation of monsters.

César Baldaccini's iconic sculpture of a 40-foot thumb stands tall in La Défense.

Abandoned railway line circling the city of Paris.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

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

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

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

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

This museum houses an imposing skeleton army comprised of creatures great and small.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Notorious artist squat renovated into legal studios.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

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

A mechanized clock where a man fights off a dragon, crab, and rooster.

The oldest stone house in Paris was built by its most famous alchemist.

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