This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

This Queens hospital has stood abandoned for almost 20 years after its patients were secretly relocated in the dead of night.

A remnant from the golden age of aviation still in use today, Pan Am's Clipper service took off from this Art Deco gem.

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

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

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

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

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

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

The library of every book lover's dreams.

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

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

New York's oldest and possibly grandest keeper of books.

Unique antiquarian shop specializing in globes, maps, and prints.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

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

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

Read a book next to a Midtown waterfall.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

A natural gas leak provides a flickering flame beneath a waterfall.

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

A once grand hotel is being retaken by the wilderness it once capitalized on.

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