Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

A museum collection honoring the long history of the FDNY is held in a disused Manhattan fire house.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

Commemorating the spot where the famous scientist fed his pigeons.

An odd, ancient window that may have once been part of a brutal prison is embedded in the side of New York's Police Plaza.

A whimsical, but often overlooked clock in Park Avenue.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

The oldest living tree in Manhattan comes shrouded in sinister legend.

Nikola Tesla's former home contains an homage hidden from plain sight.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

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

A bit of retro transportation flair preserved in the world's largest department store.

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

During the holidays, a vintage subway train whisks New Yorkers back in time.

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

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

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.

The world's oldest hologram gallery and the labyrinthine laser laboratory of a holography pioneer.

A celebration of capitalism in Midtown.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

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

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