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

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

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

This museum houses an imposing skeleton army comprised of creatures great and small.

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.

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

A surrealist timepiece by the artist of melting clocks.

A mechanized clock where a man fights off a dragon, crab, and rooster.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

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

This massive library holds what was once the largest book collection in the world.

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

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

Notorious artist squat renovated into legal studios.

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

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

Standing at 21-feet tall, this space cowboy adds to the legacy of Route 66's muffler men.

Its incredible collection preserves 170 years of sewing machine history.

An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

Final resting place of Geronimo, Quanah Parker, and the first atomic gun ever fired.

The granite monument is engraved with the image of the talking horse's head coming through a barn door.

Only museum dedicated to women pilots, with personal artifacts from Amelia Earhart and other aviatrixes.