A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

This New York holdover was built to provide housing for shopgirls and still does not allow men above the lobby.

The most confusing clock in New York.

This interactive gallery makes you feel like you've stepped into a fantasy world filled with whimsical monsters.

This translucent sculpture represents a quintessential component of New York City's skyline.

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

The site of the deadly Triangle Shirtwaist Factory Fire.

The last remnants of what was once one of the world's grandest hotels can now be found in a Manhattan subway station.

New York City's only radical feminist independent bookstore.

Historical figures from New York City's Catholic community reside in Midtown.

A trove of century-old litho stones from the Puck Building's printing days were discovered behind a cellar wall, and are now hanging in the store.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

An annual extravaganza of Broadway theater memorabilia.

Lie in a hammock where George Washington stood.

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

Detailed facade of a brownstone in Boerum Hill.

Ride the subways of yesteryear.

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

For 20 years, local pumpkins have met their fate on the iron fence surrounding this Cobble Hill home.

This innocent-looking townhome is actually a subway exit.

Love is in the air along the small street in Brooklyn.

Before online banking and smartphone apps, there was "commuter banking" in the subway in Downtown Brooklyn.

A graffiti Mecca welcoming artists from around the world.

Every year model trains zip through a miniature New York City that's now 150 landmarks strong.