Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.

This unusual subway stop was originally a real estate office.

A modern zoetrope on the New York City subway.

This small, hidden cove is home to abandoned boats.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

New York's southernmost subway station is whimsically wavy.

Waterway populated with abandoned projects, including a submarine.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

The flagship building of an early national restaurant chain is a superb example of terra cotta art.

Lie in a hammock where George Washington stood.

A crumbling hospital from the 1850s on Roosevelt Island.

One Brooklyn man's collection of life-size fiberglass statues has taken over his entire yard.

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

Elevated freight railway turned wildly successful urban park.

Once home to the country's most gargantuan ships, this graving dock now waits for people to buy furniture.

Compensation for the destruction of a historic shipyard.

A community farm in the midst of the Brooklyn concrete.

A room in New York City that contains 250 cubic yards of dirt.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.