The castle was reconstructed to fit Kaiser Wilhelm II's romanticized vision of the Middle Ages.

A neighborhood church's unusual abstract stained glass was the final project of avant-garde artist Jean Cocteau.

This 1,400-year-old abbey was once a powerhouse for music and intellectualism known across Normandy.

The haunting concrete remains of a Nazi pebble crusher can still be found in this small French commune.

This small red school was where Germany signed their surrender during WWII.

A monument to the thousands of Canadian soldiers who died capturing the French ridge during World War I.

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

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

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

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

One man's desire to transcend art led to the construction of this outsider chapel.

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

Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.

An enchanting work of outsider art, full of whimsical sculptures and carvings.

Underneath a chalk hill in France lies what Hitler hoped would be the underground launching base for a devastating new weapon.

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

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

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

An isolated 17th-century chapel on a remarkable site once dedicated to Celtic sun worship.

The sunken structure looks like the victim of a catastrophic flood.

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

A colossal sculptural lion built by the same man who designed the Statue of Liberty.

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

These crumbling Nazi artillery bunkers are now fair game for massive graffiti projects.