A French museum of wrought iron.

The opulent home that inspired Tintin's Marlinspike Hall and the adventures within.

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

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

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.

The vibrant buildings in the “capital of the comic strip” celebrate the art form that made it famous.

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

The encased skull that is widely believed to belong to St. John the Baptist.

The great Italian Renaissance painter was laid to rest here in the Chapel of Saint-Hubert.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

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

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 20th century.

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

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

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.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

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

French commune at the heart of conspiracies.

The way that light hits a stained glass window on a specific day is one of many "clues" to a mysterious treasure.