A unique museum tells the story of the day-to-day life of World War I soldiers.

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

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

A Christian retreat founded to welcome refugees fleeing from the Nazis during World War II.

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

This army of concretions is an unexplained geological phenomenon unlike anything else in the world.

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

An underground city of ancient quarry tunnels hid thousands of Allied soldiers in WWI.

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

The world's most famous cheese caves.

French commune at the heart of conspiracies.

Perfume museum and library.

This 14th century wine cellar is home to the oldest barrel-stored wine in the world.

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

The birthplace of the ferocious William the Conqueror, this castle is awash in medieval history.

A massive, secret marina for the Nazis' most formidable weapon in the Atlantic.

Dedicated to the history and culture of smoking, this small museum now includes a vape lounge.

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

This narrow path was cut right into a French mountainside to feed the country's early naval expansion.

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

A magical, macabre wax museum, beloved by locals, uses real artifacts to depict an assassination from the French Revolution.

The Argonaute submarine was the French navy's pride and joy in the 1950's.

The deserted pirate-themed restaurant still entices explorers.

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