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

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

French commune at the heart of conspiracies.

A Museum of Psychiatry in a still-operating mental institution.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

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

A small world of mechanical magic and metal merry-go-rounds in a Outsider art Museum.

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

A mosaic-tiled house built by graveyard sweeper Raymond Isidore.

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

Beautiful carved tunnels.