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.

The loneliest island in New York.

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

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

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

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

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

One of the last Jazz Age "Wonder Theaters" in New York City.

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

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

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.

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

An unassuming secret door once led to a legendary watering hole.

A very classy 1920s-era bar right in Grand Central Station.

The "Seinfeld" diner.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

Ride the subways of yesteryear.

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

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

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

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

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

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.