The oldest amusement park in the world has been providing a nice spot to have some fun since the 1500s.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

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

The former home of the reclusive "Weird Wendels" who dominated New York real estate a century before Donald Trump.

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

This study room in the New York Public Library saw the creation of one of contemporary America's greatest traitors.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

Commemorating the spot where the famous scientist fed his pigeons.

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

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

The lesser-known Alice sculpture of Central Park dedicated to the “godmother of American children.”

Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.

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

A memorial to the first person killed by a motor vehicle in the Western Hemisphere.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

Currently housing a corporate bank branch this building at the southern tip of Manhattan was once the gateway to luxury vacationing.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

The home of the first American-born saint is one of the only curved buildings in New York.