A beautiful collection of architectural ornaments rescued from demolished New York City buildings.

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

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

This small, hidden cove is home to abandoned boats.

A Jewish deli run by Yemeni Muslims in an Afro-Caribbean neighborhood is quintessential Brooklyn.

Have a steam and some blini at this cafe in a century-old bathhouse.

This plot of old-growth forest is the largest surviving remnant of New York City's original woodland.

Thriving meadows span a rooftop in one of Brooklyn's most heavily industrialized neighborhoods.

The name of this tiny pocket park tucked between two buildings on Manhattan's Upper West Side is Latin for its location: "seventy-one."

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

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

Avoid gangster interaction while window-shopping.

Finally, you don't have to be a pious Swedish seaman to relax like one.

Once America's longest-manned military fort, now an abandoned hulk.

A living archive of urban activism and space reclaimed.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

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

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

From scholastic to sepulchral - now under reconstruction.

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

Detailed facade of a brownstone in Boerum Hill.

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

“Invented in Key West, Perfected in Brooklyn."

An arcade packed with a rotating collection of unique independent video games.