This stunning natural double arch, the largest in the Alps, went undiscovered until 2005.

This historic stone gate tower is now just a lonely relic in the middle of a swamp.

This plaza is home to a number of works, including Montpellier‘s own Arc de Triomphe.

This French anatomy museum greets guests with a skinless man, mid-shovel.

The ruins stand as a somber reminder of France’s worst civil catastrophe of the 20th century.

A place to see how French aristocrats lived in the early 1900s.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

Climb inside an iron crystal magnified 165 billion times its normal size.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.