A whimsical, but often overlooked clock in Park Avenue.

The first and only carousel with a lineup entirely of insects.

This innocent-looking townhome is actually a subway exit.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

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

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

Bowl in splendor, if you're lucky.

Wine bottle sculpture with a ship's stateroom inside.

During the holidays, a vintage subway train whisks New Yorkers back in time.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

This semi-hidden Manhattan restaurant is based out of a loading dock.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

Abandoned power station once home to a squatter community, now being developed into an arts center.

The loneliest island in New York.

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

Unlock the secrets of the conjuring arts.

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

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

The oldest surviving synagogue in New York City is now a soaring art space.

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

A very classy 1920s-era bar right in Grand Central Station.

Ride the subways of yesteryear.