This massive melon is a recreation of a similar gate from the Pan-American Expo.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

The original Uncle Sam was actually a New York meatpacker who is buried under this historic grave.

Down a stairway in the East Village, you could once read a plaque describing an alternate history of a fictional version of Manhattan.

Built hundreds of years ago this downtown iron barrier once protected a much despised king.

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

A field in which God and his son Jesus purportedly appeared to a young farm boy named Joseph Smith.

Glacial erratic or man-made dolmen? It probably wasn't druids.

A gigantic 10-foot tall stone man.

A fictional town that was briefly brought to life before fading once again out of existence.

The home, museum, and death site of Kodak's influential founder.

Commemorating the spot where the famous scientist fed his pigeons.

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.

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

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

A mysterious air force base built to resemble a Long Island fishing village.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

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

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

Walk over a 150 year old manhole.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

A celebration of capitalism in Midtown.

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