"In the Dark" Restaurant in Paris offers dinner in complete darkness.

Behind the pink curtain, Au Bonheur du Jour, an art gallery of erotic archives.

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

A museum of magic with a Sadist past.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

A museum of carnival attractions where you are invited to ride the rides.

Abandoned railway line circling the city of Paris.

France's most famous cemetery, with some of its most curious tombs.

The oldest stone house in Paris was built by its most famous alchemist.

Inside a former cabaret, seven floors of erotic art.

A unique military outpost carved into a rocky outcrop in the English Channel.

In France, a medieval-style home pays homage to an intrepid explorer who discovered Québec.

A medieval church built into an ancient cave.

This symbol of the French Revolution still stands where it was first planted during the 18th-century.

Old vessels have been transformed into artistic canvases in this unusual cemetery.

A monument to the thousands of Canadian soldiers who died capturing the French ridge during World War I.

During the summer months, giant teddy bears take over Paris near Les Gobelins metro station.

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

These rustic holiday homes are made from discarded fishing boat hulls.

This French chateau is home to the world’s largest private collection of fighter jets.

Abandoned outpost once home to a murderous tyrant.

This traditional festival celebrates a family of wooden giants that have survived Nazis, wars, and religion.