You've heard about the reading room at the New York Public Library, haven't you? Then I need not go on. Just look at it. And you're allowed to hang around in there!

The first museum in the United States dedicated exclusively to posters.

Strand is a castle of books. It claims 2.5 million new and used books, across 18 miles of shelves, cared for by 200 employees—so set aside a couple of hours. Plenty of art books and good prices. Get your healthy huff of that old book smell.

Originally named the New York State Theater and designed by Phillip Johnson in the 60’s, this building has been home to both the New York City Ballet and New York City Opera since its opening. This is a view of the promenade at intermission, during a ballet performance celebrating the birthday of George Balanchine.

Best place to think about space.