Holding the most bodies of any cemetery in the United States.

The site of the deadly Triangle Shirtwaist Factory Fire.

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

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

This otherwise innocuous bodega was once the headquarters of the most feared assassin's guild in American history.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

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

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

Avoid gangster interaction while window-shopping.

Visit the monolithic tomb of America's most famous general.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

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

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

Lie in a hammock where George Washington stood.

The famous author's cottage hideaway.

A bit of retro transportation flair preserved in the world's largest department store.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

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

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

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.