Hirshhorn Museum, Washington, D.C.

Smithsonian InstitutionAi Weiwei
Don't be put off by its exterior, which architecture critic Ada Louise Huxtable described as "born-dead, neo-penitentiary modern." The Hirshhorn, part of the Smithsonian Institution, is splendid with art of mainly the post-World War II period. In February, its third floor will be closed for... Hirshhorn Museum and Sculpture Garden