A good place to research the Freemasons, esoterica, occultism, and hermeticism.

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

The oldest bibliophilia club in America, with exhibitions on historic books and graphic arts.

A whimsical, but often overlooked clock in Park Avenue.

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

Need to book a room at the Hotel Pennsylvania? Just dial up 6-5000.

The one-time epicenter of American songwriting is now a little remembered Manhattan commercial block.

Nope, not Washington Irving's house.

A posh members-only club with a literally dramatic history.

Cheap pizza and all of your naughty bedroom needs housed in a stunning example of Art Nouveau architecture.

A reminder to choose water over wine since 1888.

Monument to a forgotten NYC disaster that claimed the lives of 1,000.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

A notorious punk house turned co-op.

This former crime corner has been turned into an eclectic community center.

This 220-year-old house is a reminder of New York City's Dutch past.

Gang fights don't just happen on the streets, they happen under them too.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

On this island, you suck away your garbage via an elaborate pneumatic tube system.

A sculptural commentary on capitalism pokes up from the East River.

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

Site of the first pathological and bacteriological research facility in the United States.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A crumbling hospital from the 1850s on Roosevelt Island.