Lie in a hammock where George Washington stood.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

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

Sniff the Titan Arum's rotting flesh.

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

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

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.

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

Ride the subways of yesteryear.

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

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

Mysterious 500-year-old tapestries depict a unicorn hunt.

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

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

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

One of only two commuter aerial tramways in the United States.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

New York City's smallest piece of private property.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.