This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

This symbol of the French Revolution still stands where it was first planted during the 18th-century.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

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

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

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

Notorious artist squat renovated into legal studios.

The video game-themed street art first popped up in the French city.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

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

This emotive sculpture was originally created for the 1878 World's Fair.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

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

This demon atop the Notre-Dame de Paris looks utterly bored.

An independent bookstore and press with a large collection of local and English-language literature.

Site of the first radio and telephone broadcasting companies in Copenhagen.

This quarry filled with 65 million-year-old limestone is now home to a nature reserve.

A remarkable cabinet of curiosities in an art space in the center of Berlin.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

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

One of the world's first dedicated bank buildings in the world is now the oldest one.

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