Walk through living pictures and music in the Cathedral of Images.

From carts to cars, this leftover Roman bridge in France has managed to survive for centuries.

There is a strange little carving of a person seemingly crushed by a pillar behind the remains of St. Thomas Aquinas.

A mud statue stands in the dark tunnels, seeming to hold up the weight of the city above.

His "Lionheart" is entombed separately from the rest of his body.

Legend has it this 11th-century castle was paid a visit from the devil.

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

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

The world's most famous cheese caves.

These medieval ruins have survived since the 12th century, even providing shelter from the Nazis.

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

Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.

Figures of unknown origin carved into the surfaces of underground caves.

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

Located in the house where Gustave Flaubert was born, this odd museum has more to do with medical grotesquery than the Western novel.

The historic Masonic Lodge in which the first-ever female Mason was initiated.

A French library that makes sure its love of books is writ large... giant in fact.

Collection of antique taxidermy and natural specimens, near one of Paris's oldest flea markets.

An art world insider finds himself battling for his artistic home.

The remaining relics of the patroness of Paris lie in a chapel under a striking double spiral staircase.

A centuries-old complex of hand-dug stone chambers has sheltered locals in times of trouble.

The Church of the Annunciation was carved into the face of a cliff, just like the rest of the town of Haute-Isle.

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

The deserted pirate-themed restaurant still entices explorers.