The Hirshhorn Museum and Sculpture Garden often draws architectural focus for its striking 1974 Gordon Bunshaft building. Now, the latter half of its official title, the Sculpture Garden, is set for a refresh in the coming years, according to a recently announced renovation plan. Originally conceived as a repository for the massive sculpture collection of founding donor Joseph Hirshhorn, the Hirshhorn Museum now serves as the contemporary branch of the Smithsonian Institute i