A 400-year-old church covered floor to ceiling in ex-voto offerings from the faithful.

Statue of a decomposing prince that once held his heart in its hand.

If they push on just the right spot, even the weakest person can move this titanic boulder.

A magical, macabre wax museum, beloved by locals, uses real artifacts to depict an assassination from the French Revolution.

Hundreds of dwarf beeches create an unusual, haunting forest in the north of France.

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

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

A centuries-old complex of hand-dug stone chambers has sheltered locals in times of trouble.

Collection of antique taxidermy and natural specimens, near one of Paris's oldest flea markets.

What looks like a normal building is really a hollow facade hiding a subway vent.

This futuristic observatory at the top of the Pyrénées offers unrivaled views.

This ancient theater was once the home of fierce gladiatorial battles.

An enchanting work of outsider art, full of whimsical sculptures and carvings.

The sunken structure looks like the victim of a catastrophic flood.

A French artist's vague warning hangs over Belleville.

The deserted pirate-themed restaurant still entices explorers.

Walk through spectacular aisles of hanging meat and wagon wheel–sized cheese at the world's largest wholesale food market.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.

An odd museum dedicated to French fakes.

This bridge was constructed from the rubble of the infamous Bastille.

A swath of France so devastated by war it is still forbidden to go there.

An isolated 17th-century chapel on a remarkable site once dedicated to Celtic sun worship.

The Sun King's military models, saved from the Louvre.

There has been an astronomical clock on this spot since the 14th century.