The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

Budapest's Communist-era statues, banished to the suburbs.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

A shape-shifting buy-sell-trade bookstore, born to Beatnik Era spirit.

This subtle Berkeley paving stone actually marks off a lawless tube of air that extends into space.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

A storybook European village in Berkeley.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

The notorious headquarters of a corrupt political machine.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

You thought Santa Claus didn't exist, but it turns out you were wrong.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

This humble historic facade hides a history of boozing and the gentlemanly sport of rat-fighting.

Macabre astrological automaton clock dating to the late 1400s.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Come for the flowers, stay for the bats!

A church that bred legends, and served as an inspiration for the Da Vinci Code.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

The most loyal of little dogs, or a Victorian era publicity stunt?