The Argonaute submarine was the French navy's pride and joy in the 1950's.

An iconic and eccentric bar for "Manouche" Jazz music keeps expanding its space—and its influence.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

This Parisian café sticks almost exclusively to an ethos of reuse.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

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

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

The floorboard scrawling of a tragic madman is on public display outside a Paris hospital, much to the dismay of its opponents.

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

The curious underground history of keeping Paris clean.

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

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

An all-American grocery store in Paris sells U.S. "cuisine" like Pop-Tarts and Heinz ketchup to homesick ex-pats.

The celebrated eyesore created by starry-eyed sweethearts.

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

Indents in the pavement are all that remain from a grisly death machine in Paris.

Dedicated to the history and culture of smoking, this small museum now includes a vape lounge.

Inside a former cabaret, seven floors of erotic art.

The self-proclaimed world's smallest museum, located next to a Massachusetts sandwich chain.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

Lucha Libre (Mexican Wrestling) themed taco shop.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.