The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This church sits upon a peaceful hill and a long, turbulent history.

The world's largest solar furnace uses 10,000 mirrors to concentrate the sun's rays to generate power.

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

Even France's favorite aquatic son Jacques Cousteau, couldn't get to the bottom of it.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

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

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

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

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

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

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

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

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

The world's most famous cheese caves.

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

A massive base for the Nazis' most formidable weapon in the Atlantic.

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

This submersible road connecting a French island to the mainland is lined with safety towers for when the tide strands travelers.

This ancient theater was once the home of fierce gladiatorial battles.

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

One of the largest ochre quarries in the world, hidden in a limestone landscape.

The 16th-century church was kept in its ruined state as a reminder of the casualties of World War I.

A medieval church with largest and oldest collection of Renaissance frescoes in France.