Waterway populated with abandoned projects, including a submarine.

The highest point on the island known for buildings that touch the sky.

A posh members-only club with a literally dramatic history.

A sculptural commentary on capitalism pokes up from the East River.

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

I fought the law and the precinct caved in.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

This abandoned caretaker's apartment is one of 13 left in the New York Public Library system.

Feral cats keeping the rodent population at bay all across Greenpoint waterfront.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

Come for the pastrami, stay for the million-dollar art.

Deep under Manhattan is the largest construction project in city history. So far, the project has taken the lives of 23 workers, or "a man a mile."

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

A living archive of urban activism and space reclaimed.

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

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

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

From scholastic to sepulchral - now under reconstruction.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

A crumbling hospital from the 1850s on Roosevelt Island.

A haunting—but not haunted—chapel remains in the woods.

A library of poems cascade off the branches of this unsuspecting tree.