Cooper Hewitt, Smithsonian Design Museum | 15,929 followers on LinkedIn. We are the nation's design museum! Reserve tickets at cooperhewitt.org Open Daily, 10 a.m. to 6 p.m. | Welcome to the nation's design museum! Reserve your timed entry ticket at cooperhewitt.org Cooper Hewitt is America’s design museum. Inclusive, innovative and experimental, the museum’s dynamic exhibitions, education programs, master’s program, publications and online resources inspire, educate and empower people through design.