A creepy tree with a local legend that inspired a nearby theme park ride.

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

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 video game-themed street art first popped up in the French city.

A museum dedicated to one of Paris’s most famous residents, tucked into a corner of one of the city’s most famous squares.

A museum of magic with a Sadist past.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

A surrealist timepiece by the artist of melting clocks.

The narrowest street in Paris.

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

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

This 400-year-old tree is actually an immigrant from North America.

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

This modest marker near Notre Dame identifies the very center of Paris.

Soon after its unveiling, this giant inverted globe sparked controversy and was vandalized.

This Underground station has been a popular filming location for decades, even before it closed.

The bronze uniforms commemorate the vital role of women during World War II.

An architectural oddity hides in plain sight on this iconic London bridge.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

This oddly shaped boulder in Paris is rumored to be cursed.

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

Montmartre's sole surviving windmill became an iconic landmark for 19th-century painters, artists, and bohemians.

The oldest and smallest cemetery in Paris is only open to the public twice a year.