The loneliest island in New York.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

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

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

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

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

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

A popular European tradition makes its way to the states on one of America's most famous bridges.

A natural gas leak provides a flickering flame beneath a waterfall.

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

A once grand hotel is being retaken by the wilderness it once capitalized on.

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

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

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

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

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

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

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

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A celebration of capitalism in Midtown.

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

An abandoned castle owned and ignored by Masons carries a cursed history.