Possible Clues:

• Home of Dalí's 'The Persistence of Memory,' informally
• N.Y. gallery
• Big Apple cultural ctr
• Where 'The Persistence of Memory' hangs, for short
• NYC home of Dali's 'The Persistence of Memory'
• Home to many Picasso works, briefly
• Cultural attraction on 53rd St
• Home to Matisse, Mondrian and Monet, informally
• NYC museum with "Christina's World"
• Attraction in midtown N.Y.C