High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

A haunting collection of the vanished and disappearing natural world.

This 14th century wine cellar is home to the oldest barrel-stored wine in the world.

Now a memorial, this factory was once used as a concentration camp for artists by the Vichy government.

A Belle Epoque bordello turned into a themed love hotel.

A font of vintage porn on the silver screen.

Inside a former cabaret, seven floors of erotic art.

The celebrated eyesore created by starry-eyed sweethearts.

Before this bridge was built people had to wait for the ferryman, an annoyance that, the story has it, gave the town its name.

This hidden garden boasts amazing views of Lyon.

This anatomical sculpture raises awareness about violence against women and promotes gender equality.

This building’s ghostly exterior reflects its former lives as a prison, school, and funeral home.

Experience architect Le Corbusier's modernist design for living in the home he designed for himself.

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

For those late-night mollusk cravings.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.

A small town hallucinates en masse - Bad bread, or CIA science project?

The birthplace of the ferocious William the Conqueror, this castle is awash in medieval history.

This tiny hotel perched atop a 50-foot tower really puts things into perspective.

France's high-tech, future-themed amusement park.

French commune at the heart of conspiracies.

The world's most famous cheese caves.

An architectural oddity of six stories, accessed by graceful ramps.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.