Riding the Carousel, "America's Smithsonian" at L.A. Convention Center, by Unknown, 1996, Smithsonian Archives - History Div, From left to right, Secretary I. Michael Heyman, Provost Dennis O'Connor and Marc Pachter ride the horses of a carousel set up at the Los Angeles Convention Center, first stop of the "America's Smithsonian" national tour celebrating the Smithsonian's 150th anniversary. The exhibition opened in Los Angeles on February 9, 1996..