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

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

The beautiful tunnel that ran from the lobby to Penn Station is still hidden underneath 34th Street.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

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

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

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

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

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.

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

Nondescript elevator doors open to reveal a stunning, surreal world.

The oldest surviving synagogue in New York City is now a soaring art space.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

Sniff the Titan Arum's rotting flesh.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Become a prohibition rebel.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Ride the subways of yesteryear.