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

This bunker in northern France was built by Nazi German forces with the intention of launching up to 50 V2 rockets at London each day.

The first modern cemetery of Lyon is complete with more than 200 chapels and monuments.

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

The ruins of an abandoned cemetery are among the last remnants of the old village of La Boulaye before a wealthy landowner had it relocated.

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

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

One of the most powerful religious centers in the Middle Ages, dubbed the founder of Western monasticism.

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

This garden houses the remains of the ancient Greek port of Marseille.

This striking fort on the Maginot Line looks just as it did after being destroyed in the Fall of France.

An astounding collection of taxidermy, fossils, skeletons, and even a few strange live beasts.

Now a memorial, this factory was once used as a concentration camp for artists by the Vichy government.

Admire endangered plants in a verdant garden that looks straight out of a Monet painting.

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

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.

A winery built on the site of a Gallo-Roman estate uses historical tools to recreate ancient vintages.

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

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

French Time Capsule-19th Century home revealed to the public.

For those late-night mollusk cravings.

For a brief time in 1960s France, families could climb into a tiny submarine and be pulled along an underwater journey.

These colorful French islands spent a stint bootlegging booze during American Prohibition.