the Hirshhorn Museum and Sculpture GardenˌHirshhorn Muˌseum and ˈSculpture ˌGarden, the (also the Hirshhorn /ˈhɜːʃ-hɔːn $ ˈhɜːrʃ-hɔːrn/) a museum of modern art in Washington, D.C., which is part of the Smithsonian Institution. It was established in 1966 with money given by J.H. Hirshorn.