The newly redesigned flagship store at the Museum of Modern Art is a fab spot for souvenir shopping. Besides gorgeous books (from art and architecture to culture critiques and kids' picture books), you'll find art posters and one-of-a-kind knickknacks. For furniture, homewares, jewelry, bags and artsy gifts, head to the MoMA Design Store (10am to 6:30pm daily) across the street.
There are also two smaller satellite bookshops within the museum, found on the 2nd and 6th floors.