A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

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

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

A collection of fanzines, recordings, and documents detailing the rise and influence of the feminist punk movement.

This otherwise innocuous bodega was once the headquarters of the most feared assassin's guild in American history.

The site of a tragic massacre that spawned a multimedia franchise.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

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

One man's swirling six-acre monument of stone.

The oldest living tree in Manhattan comes shrouded in sinister legend.

This iconic tattoo shop has its own onsite museum with artifacts from the early history of modern body art.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

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

A bit of retro transportation flair preserved in the world's largest department store.

This abandoned subway station can still be seen on regular commuter trips.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

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

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

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

Try not to get slimed in Tribeca.

The gilded vestiges of a sterling department store can still be found in a Brooklyn shopping center.