An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

A former connection to City Island, it has been abandoned since the 1930s.

This old estate is a remnant of when the Bronx was a popular summer destination for wealthy New Yorkers.

All that remains of a magnate's dream home is a historic gate and an abandoned public pool.

An abandoned Gold Coast-era mansion once intended for the exiled ruler of Albania, who never arrived.

Some of the earliest burial grounds of New York State are to be found hidden away in this quaint town.

Spies, love letters, and ghost stories have all left their mark on this home-cum-museum.

The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

A staggering collection of photographs depicting medical, social, and historical change.

An exhibition space dedicated to American outsider art created between the 18th and 21st centuries.

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

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A hip bar decorated with walls of golden skulls.

This memorial honors thousands of enslaved Africans and their descendants who died in colonial New York.

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.

An accidentally hidden library containing the ephemeral history of New York.

The Underground Railroad passed right through this historic Brooklyn Heights church.

A mysterious, abandoned building rotting on the Brooklyn waterfront.

Take in a rare, face-to-face glimpse of Lady Liberty at this tucked away Red Hook park.

Lehigh Valley barge No. 79 still gets tugged along - but now it houses a museum and unusual performances.

A Collegiate Gothic quadrangle that surrounds an 18th century secondary school whose financing came from the likes of Alexander Hamilton and Aaron Burr, among others.

While it now takes more than a dime to open an account this historic Brooklyn bank still displays the opulence of the gilded age in which it was built.

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.