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

The name of this tiny pocket park tucked between two buildings on Manhattan's Upper West Side is Latin for its location: "seventy-one."

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

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

Twenty-three trees, each paired with a basalt stone, line a street in Chelsea, continuing an urban project started by German Fluxus artist Joseph Beuys.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

This plot of old-growth forest is the largest surviving remnant of New York City's original woodland.

Mysterious 500-year-old tapestries depict a unicorn hunt.

New York City's only radical feminist independent bookstore.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

A hyper-luxurious, 12,000- square foot home might be buried beneath Queens, still waiting to protect you from nuclear missiles.

New York City's only preserved family home from the 19th century.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

Peek through the gates at this oasis from the city, full of Old English charm.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

Nondescript elevator doors open to reveal a stunning, surreal world.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Sniff the Titan Arum's rotting flesh.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.