Commemorating the spot where the famous scientist fed his pigeons.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

An artist's cute bronze subway sculptures belie his violent artistic past.

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

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

Elevated freight railway turned wildly successful urban park.

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

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

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

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

A graffiti Mecca welcoming artists from around the world.

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

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."