The little tuxedo cat survived the trip, then languished in obscurity.

A mud statue stands in the dark tunnels, seeming to hold up the weight of the city above.

Underneath this small church are 15,000 bones, arranged by an obsessive academic.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

This 14th century wine cellar is home to the oldest barrel-stored wine in the world.

Weird wax anatomical models reside here, as do other anatomical specimens.

This facility has manufactured stunning tapestries for France's royalty ever since the 17th century.

This demon atop the Notre-Dame de Paris looks utterly bored.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

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

This recessed garden protects thousands of mountain plants by creating its own microclimates.

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

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

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

This frog-themed restaurant was frequented by Picasso, Saint-Exupéry, and more.

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.

The first green space constructed on an elevated viaduct.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

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

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

The history of radiation is on safe display at the foot of a radiation science laboratory.

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

19th century pendulum and a clock restored by a rogue group of guerilla artists.