Harlem park dedicated to compulsive hoarders killed by their own junk.

Nature and beauty amidst pollution and industrial wreckage.

The highest point on the island known for buildings that touch the sky.

This Dutch Colonial home is the oldest remaining farmhouse in Manhattan.

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

Little Red Lighthouse under the George Washington Bridge.

Salute the leader of the proletariat.

A once crucial portion of the Long Island railroad still lays abandoned, waiting to be turned into an urban park.

A massive forgotten storehouse from 1913 on the Brooklyn Waterfront has a spectacular view of Brooklyn.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

Thriving meadows span a rooftop in one of Brooklyn's most heavily industrialized neighborhoods.

Walk into the 19th century without leaving Brooklyn.

Two New York rooftops are home to the largest rooftop soil farms in the world.

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

An easy to overlook storefront hides some of the most authentic and regionally diverse Chinese food in New York.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

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

The famous author's cottage hideaway.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

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

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

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

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

Sniff the Titan Arum's rotting flesh.