Historic medieval fortified city in southwest France.

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

Where the high court feasted, frolicked, and high courtesans put their royal lovers' diamonds to the test.

This natural French spring has been turned into a magical grotto by Roman and medieval constructions.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

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.

Hundreds of hidden passageways weave through the old quarters of Lyon.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

Pitié-Salpêtrière was the dumping grounds for women who received the dreaded diagnosis of "hysterical."

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

A modern-day Lascaux cave underneath Paris.

An icy lake tucked among jaw-dropping alpine panoramas.

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

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.

One of the greatest maze designer’s greatest mazes.

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

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

One of the last umbrella repair shops in Paris upholds the nostalgic art of umbrella making.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

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

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

The first green space constructed on an elevated viaduct.