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

Built hundreds of years ago this downtown iron barrier once protected a much despised king.

Rummage through this sunken ship, but leave your scuba gear at home.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

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

New York City's only preserved family home from the 19th century.

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

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

Abandoned power station once home to a squatter community, now being developed into an arts center.

The loneliest island in New York.

From scholastic to sepulchral - now under reconstruction.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

The saddest little diner in New York.

Some of the best Persian food in New York comes from the front window of an unassuming pizza shop.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

Even for Egyptian royalty, the afterlife was bring-your-own-beef.

During the American Revolution, this mansion hosted failed peace talks between the British and Americans.

This slender three-story building has also had several famous residents.

The mosaic Star of David at the front of this store hints that it's no ordinary Italian grocer.

Two monstrous warehouses. One now holds priceless works of art, the other stands abandoned and dilapidated.

One of the only single-person private gravesites in New York City.

The cuisine at this Sheepshead Bay spot tells the story of a displaced Muslim Chinese community.

A mysterious, abandoned building rotting on the Brooklyn waterfront.

This Manhattan museum houses one of the largest collections of Spanish art and manuscripts outside of Spain.