Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

Dynastic Home of the De Piro Family.

Abandoned Roman Catholic chapel abused by Satanists before being restored.

At more than 5,000 years old, these structures are among the oldest free-standing stone buildings in the world.

A towering bronze statue memorializes the founding father of postwar American conservatism.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

A very classy 1920s-era bar right in Grand Central Station.

Walk over a 150 year old manhole.

New York City's only wildlife rehabilitation center treats more than 3,000 feathered and furry patients each year.

A terrific purveyor of natural history objects and curios.

A playground the size of a city block is a modernist monument to civic values and public housing.