Whitney Museum of American Art.

Hudson-side glass box home of C.20th works and host of the loved/hated Biennial. Stay for dinner at Danny Meyer’s edgy Untitled. 99 Gansevoort St (10th Ave) / 212 570 3600 / 10.30am-6pm Mon, Wed-Fri & Sun, 10.30am-10pm Fri-Sat, closed Tue / whitney.org