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

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

This natural French spring has been turned into a magical grotto by Roman and medieval constructions.

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

A self-built mosaic house and sculpture park.

A castle-like sea fort from the 17th century is now a museum to oyster farming.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.

The world's most famous cheese caves.

The fantastic architectural models of a French traveler.

Monsters and miniatures are held in equal esteem at this wondrous museum.

Hundreds of hidden passageways weave through the old quarters of Lyon.

Nicknamed the "Museum of Horrors," this French anatomical collection has been fascinating visitors for over a century.

One of the greatest maze designer’s greatest mazes.

A Gothic cathedral created from volcanic rocks.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

Artist and musician Will Menter creates musical sculptures.

Ancient paintings known as the "Sistine Chapel of Cave Art."

Natural mummies hidden in the crypt of a medieval French church.

The largest underground church in Europe.