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

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

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

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

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

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

Try not to get slimed in Tribeca.

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

Neoclassical bank designed by NY architects Helmle & Huberty.

The ballpark in "Pigtown" where the Brooklyn Dodgers made their name was replaced with a huge apartment complex.

A ruthless Soviet relocation campaign birthed a new cuisine, and this humble restaurant.

As telephones become more essential and less stylish one historic Brooklyn building remembers the days when they were a grand celebration of communication.

While it now takes more than a dime to open an account this historic Brooklyn bank still displays the opulence of the gilded age in which it was built.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

This neo-Gothic former auto showroom is one of the few remaining reminders of Brooklyn's "Automobile Row."

This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

Waterway populated with abandoned projects, including a submarine.

Nature and beauty amidst pollution and industrial wreckage.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

A curious friendship between two inanimate ladies.

A massive forgotten storehouse from 1913 on the Brooklyn Waterfront has a spectacular view of Brooklyn.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

This innocent-looking townhome is actually a subway exit.