The front yard of an Upper East Side town house hides the last fragment of one of New York's most famous theatres.

A working metal shop and venue for outrageous art and music shows in a former cannonball factory.

Cheap pizza and all of your naughty bedroom needs housed in a stunning example of Art Nouveau architecture.

A no-frills cinephile haven known for showing offbeat, underseen films.

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

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

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

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

This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

Commemorating the spot where the famous scientist fed his pigeons.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

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.

Abandoned power station once home to a squatter community, now being developed into an arts center.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

Unique antiquarian shop specializing in globes, maps, and prints.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

A unique attraction and museum dedicated to exploring iconic roadside structures.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

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

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

A hands-on traveling collection of the innovative devices of yesteryear.