Stenciled handprints and wall paintings dating back 10,000 years, some of the earliest forms of cave art.

An Argentinian businessman facing terminal cancer built this whimsical medieval village using salvaged materials.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

There are owls with glowing eyes in Herald Square.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

Hiroshima survivor on Riverside Drive.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

There must be a pun in this haystack somewhere...

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

The most confusing clock in New York.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

Avoid gangster interaction while window-shopping.

Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

A bit of retro transportation flair preserved in the world's largest department store.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

Plot your trip through the city on the sidewalk.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Wine bottle sculpture with a ship's stateroom inside.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.