Hundreds of prehistoric stones, arranged in perfect lines in a French field.

Museum in a swimming pool where the water still flows.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

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

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

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

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

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Abandoned railway line circling the city of Paris.

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

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.