What if all public housing projects had been designed by "the Pygmalion of modern architecture," not only their prototype?

Site of one of World War I's most horrific scenes.

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

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

The oldest continuously operating mint in the world that has been making coins since the 9th-century.

A suspended footbridge allows for traversing this gorge carved through the French Alps.

Abandoned blockhouses from Nazi Germany's Atlantic Wall erode into the sea on a French beach.

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

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

A total of 22 tiny bridges cross this canal of the Yvette River, forming a unique trail.

The eclectic observatory castle of a 19th-century astronomer and explorer.

Shop at the 200-year-old store where Julia Child stocked up on copper cookware.

Fighting the British and making game shows for over 150 years.

Personal garden filled with mosaics made of recycled garbage.

A tribute shrine where the Space Invasion street art movement started.

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

This French "sea of rocks" is packed with stunning rock formations and its own medieval castle.

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

Resting on a hill overlooking the coast, these medieval ruins look completely deserted save for their restored chapel.

An unusual sand beach in the middle of a forest.

The remains of this castle, known as the Witch’s Eye, watch over the Thur Valley.

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

A huge Megalithic chamber tomb located behind a cafe.

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