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

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

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

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

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

Sniff the Titan Arum's rotting flesh.

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

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 mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

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

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

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

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

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

Ride the subways of yesteryear.

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

A celebration of capitalism in Midtown.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

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

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

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

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.