This mosque was based on Sub-Saharan Islamic architecture and created for the Senegalese Tirailleurs.

A fortified palace in the shape of a ship on the Thiou river.

A fortress on this island housed the mysterious prisoner known as the "Man in the Iron Mask" for more than a decade.

The Nobel-Prize-winning author of The Stranger is buried beneath a simple gravestone in a sleepy French village.

"Drunken ship" sculpture memorializing the French poet in the city where he died.

This castle-fortress is a living example of the transition from medieval defenses to modern fortifications.

This abandoned church in central Lyon is missing its front stairs.

A medieval house adorned with enigmatic carvings, including one of a man displaying his masculine attributes.

A beautiful lighthouse with as many steps as days in the year, as many windows as weeks, and as many levels as months.

Beneath the city of Lourdes, France is a massive, concrete church.

The site of the first medieval crusade that pitted Christians against Christians.

This Corsican Neolithic site is full of pre-Roman megalithic structures that may or may not be penises.

1920's reinforced concrete church by architect Auguste Perret changes the face of modern design.

A castle-like sea fort from the 17th century is now a museum to oyster farming.

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

Half a century after it was abandoned, this ghost town is coming back to life.

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

A crumbling island fortress that seems to be covered in a field of stone crosses but is simply incomplete.

A granite rock formation littered with various species of moss, lichen, and fern.

Grab a life-changing ham sandwich at this former horse butchershop.

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

This crack in France's seaside cliffs once hid a sinister secret.

A poem by Arthur Rimbaud is inscribed on the wall of a street that, while it is only one block long, plays a key role in multiple novels.

The ruins of a medieval castle linked to the murderous French lord that inspired the famous legend of Bluebeard.