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

Nikola Tesla's former home contains an homage hidden from plain sight.

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

Bowl in splendor, if you're lucky.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

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

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

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

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

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

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

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

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.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

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

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

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

The "Seinfeld" diner.

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

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