The remains of 40,000 humans, meticulously stacked in a tiny churchyard shed.

A medieval church with largest and oldest collection of Renaissance frescoes in France.

An unusual number plate signifies the building's saucy past.

An abandoned beach resort in Normandy reclaimed by artists.

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

One woman's decades-long obsession with the "La Fée Verte."

Beggars were miraculously "cured" of their fake ailments when they returned home to this 17th century Paris slum each night.

Monsters and miniatures are held in equal esteem at this wondrous museum.

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

Skeletons, medical artifacts, and other obscure and precious treasures all displayed in a wooden pharmacist's cabinet.

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.

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

Ancient paintings known as the "Sistine Chapel of Cave Art."

The curious underground history of keeping Paris clean.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

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

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

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

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

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

Memorializing the bravery of one young woman facing the monster of her age.

This small red school was where Germany signed their surrender during WWII.

This enormous "cloth of the conquest" depicts the Norman invasion of England in mind-blowing detail.