A real flying saucer, contracted by the U.S. Air Force.

In a dry, neglected cemetery lies the unassuming grave of a soldier vilified in life but celebrated in death.

This grave marks the final resting place of pioneer John Chapman, better known as Johnny Appleseed.

This statue of the "father of television" stands prominently in the United States Capitol.

A small token of gratitude from freezing cold journalists who were given a warm haven while covering JFK's inauguration.

One of the most influential presidents in U.S. history wanted only this plain, elegant monument as his lasting memorial.

Visit the monolithic tomb of America's most famous general.

Once America's longest-manned military fort, now an abandoned hulk.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

Lie in a hammock where George Washington stood.

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

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

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

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

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

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

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

The "Seinfeld" diner.

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

New York City's smallest piece of private property.

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