These quaint French houses dangle precariously over a precipice.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

Avant garde house of Pierre Cardin on the Cote d’Azur.

A well-preserved medieval village nested on a rocky outcrop and surrounded by a network of cliffs, natural bridges and canyons.

The famous winding walk at Chartres is surrounded in mystery and myth.

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.

Historic medieval fortified city in southwest France.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

A mechanized clock where a man fights off a dragon, crab, and rooster.

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

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

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

Paris' linguistic guide to the international language of, yes, love.