Hiroshima survivor on Riverside Drive.

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

The best place in New York to pick up the controversial, notoriously foul-smelling Asian "king of fruits."

The world's largest collection of materials relating to lesbian history is housed in a Brooklyn townhouse.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

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

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

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

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

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

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

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

A collection of fanzines, recordings, and documents detailing the rise and influence of the feminist punk movement.

Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

This iconic tattoo shop has its own onsite museum with artifacts from the early history of modern body art.

Unrepaired walls from a 1920 anarchist bomb attack.

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

Volunteer-run library dedicated to exploring five decades of activism history.

This collection of grinning ephemera has grown from basement to Brooklyn.

Plot your trip through the city on the sidewalk.

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."

This innocent-looking townhome is actually a subway exit.

A living archive of urban activism and space reclaimed.

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