Description: The Smithsonian National Portrait Gallery (NPG) will celebrate its 50th anniversary in 2018. Ahead of next year’s festivities, NPG unveiled an exhibition commemorating its May 1968 opening. The Smithsonian Institution Archives (SIA) provided several pieces for this gallery, including a photo of President Lyndon B. Johnson’s dedication speech on May 3rd. Check out the full
Description: [view in Spanish]The first international scientific expedition sponsored by the United States circumnavigated the globe between 1838 and 1842, gathering natural history collections so vast they were estimated to weigh 40 tons. The U.S. Congress resolved to preserve these artifacts "collected at the expense of the government...Information about the first international