These ruins reveal the remarkably intact layout of a Roman marketplace.

On this romantic tidal island reachable only at low tide the tomb of a famous French writer overlooks the sea.

Memorializing the bravery of one young woman facing the monster of her age.

This facility has manufactured stunning tapestries for France's royalty ever since the 17th century.

Old vessels have been transformed into artistic canvases in this unusual cemetery.

A museum dedicated to one of Paris’s most famous residents, tucked into a corner of one of the city’s most famous squares.

A huge Megalithic chamber tomb located behind a cafe.

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

This army of concretions is an unexplained geological phenomenon unlike anything else in the world.

For over 300 years this little carving has been the city’s good luck charm.

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

A remote hilltop covered in giant monoliths haunts the Brittany countryside.

A small house sits between two huge rocks, with its back to the sea.

Series of underground houses inhabited continuously for centuries.

French commune at the heart of conspiracies.

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

Tens of thousands of ancient rock carvings hidden in the heart of a French national park.

A massive, secret marina for the Nazis' most formidable weapon in the Atlantic.

The largest crypt ever constructed in France was built in the 11th century on an ancient Druid sacred site.

Green labyrinth formed by a karstic maze hidden in a preserved oak forest.

This narrow path was cut right into a French mountainside to feed the country's early naval expansion.

Perhaps the most beautiful of preserved saints, with a little help from Paris.

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

The construction of a tram line unveiled hidden remnants of the old medieval city.