A small town hallucinates en masse - Bad bread, or CIA science project?

Longest canal tunnel in the world, abandoned in the 1960s.

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

Artist's eccentric property excessively decorated with found objects and work of his own.

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

Legend has it this 11th-century castle was paid a visit from the devil.

Folklore and history carved into Brittany's coast.

15,000 year old bison sculptures.

To the famous surrealist artist, liberty required two torches held high.

A crumbling island fortress that seems to be covered in a field of stone crosses but is simply incomplete.

His "Lionheart" is entombed separately from the rest of his body.

For over 300 years this little carving has been the city’s good luck charm.

This otherworldly French waterfall looks like its waters have turned to stone.

The world's most famous cheese caves.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

Miles of man-made caves and tunnels are currently used for cultivating mushrooms.

A quaint medieval millhouse hovers surprisingly above the waters of the Seine.

An architectural oddity of six stories, accessed by graceful ramps.

The Church of the Annunciation was carved into the face of a cliff, just like the rest of the town of Haute-Isle.

There is a strange little carving of a person seemingly crushed by a pillar behind the remains of St. Thomas Aquinas.

The artist and his brother are buried in a landscape straight out of a van Gogh painting.

Jean Tinguely's bizarre monster sculpture is hidden deep in a forest.

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

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