For more than a century, Parisians have come for affordable dishes in a grand converted train station.

During the summer months, giant teddy bears take over Paris near Les Gobelins metro station.

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

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

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

An immersive projection art installation uses sound, scale, and light to take visitors inside classic works of art.

The secret medieval communication system will whisk your words above the noise of the crowd.

The experimental test tracks of a retro-futuristic monorail still stand in the French countryside.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

A Gothic cathedral created from volcanic rocks.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

Despite centuries of architectural innovation, this French castle is being built like it's the 13th century.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

Hundreds of hidden passageways weave through the old quarters of Lyon.

After decades of damage, this feat of timekeeping and automaton art has been given a new lease on life.

Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

The World Wide Web was created in this nondescript corridor at CERN.

CERN's beautiful, bending sculpture is a tribute to the spread of knowledge.

Home of the Large Hadron Collider and the birthplace of the World Wide Web.

This tank participated in the liberation of Dijon from Nazi occupation.