Description: [caption id="" align="aligncenter" width="408" caption="Roof of the United States National Museum (now the National Museum of Natural History) and Buildings of the City of Washington, D.C., c. 1920s, by Unknown photographer, Photographic print, Smithsonian Institution Archives, Record Unit 562, Box 1, Negative Number:2003-19563. "][/caption]
Description: [caption id="" align="aligncenter" width="424" caption="National Air and Space Museum Flight Simulator, 1978, by Richard Farrar, photographic print, Smithsonian Institution Archives, Record Unit 371 Box 2 Folder May 1978, Negative Number:94-8320. "][/caption]
Description: [caption id="" align="aligncenter" width="424" caption="Groundbreaking for the Freer Gallery of Art building, September 3, 1916, by Unknown photographer, Photographic print, Smithsonian Institution Archives, Record Unit 95 Box 56 Folder 12, Negative Number: 94-4417."][/caption]
Description: [caption id="" align="aligncenter" width="393" caption="An early model of the grounds and buildings at the National Zoological Park site at Rock Creek Park, Date unknown, by Unknown photographer, Photographic print, Smithsonian Institution Archives, Record Unit 95 Box 44A Folder 11, Negative Number: 10193."][/caption]
Description: [caption id="" align="aligncenter" width="442" caption="The 131st Birthday Party in the rotunda of the Arts and Industries Building on August 10, 1977, by Richard K. Hofmeister, Photographic print, Smithsonian Institution Archives, Record Unit 371 Box 2 Folder September 1977, Negative Number: 77-10604-12."][/caption]
Description: [caption id="" align="aligncenter" width="424" caption="Entomological workers of the Division of Insects, United States National Museum (USNM), 1925, by Unknown photographer, Photographic print, Smithsonian Institution Archives, Record Unit 9555 Box 1, John Frederick Gates Clarke Oral History Interview, Negative Number: 84-3567."][/caption]
Description: [caption id="" align="aligncenter" width="442" caption="In 1906, visitors enjoyed touring the nation's capitol in this sightseeing bus, which was manned by guides with megaphones, 1906, by Unknown photographer, Photographic print, Smithsonian Institution Archives, Accession 98-015 Box 2 Folder October 1989, Negative Number: 72-8601."][/caption]
Description: [caption id="" align="aligncenter" width="439" caption="Bird storage on the third floor of the National Museum of Natural History on January 15, 1911, by Unknown photographer, Photographic print, Smithsonian Institution Archives, Record Unit 79 Box 9 Folder 6, Negative Number: 24055."][/caption]
Description: [caption id="" align="aligncenter" width="378" caption="Secretary Leonard Carmichael at the National Zoological Park with a baby gorilla, Leonard (left), and chimpanzee (right), 1961, by Unidentified photographer, Photographic print, Smithsonian Institution Archives, Record Unit 95 Box 5 Folder 9, Negative Number: 76-17992."][/caption]
Description: [caption id="" align="aligncenter" width="329" caption="DeCarlo Wiley, National Air and Space Museum guard and Smithsonian basketball team guard, 1978, by Susan Foster, Photographic print, Smithsonian Institution Archives, Record Unit 371 Box 2 Folder April 1978, Negative Number: 94-2879."][/caption]
Description: [caption id="" align="aligncenter" width="430" caption="Installation of the Apollo-Soyuz space vehicles in the National Air and Space Museum before it is open to the public, May 24, 1976, by Richard Farrar, Photographic print, Smithsonian Institution Archives, Record Unit 95, Negative Number: 76-6944-2."][/caption]
Description: [caption id="" align="aligncenter" width="430" caption="Renovation work is underway in the Regents Room in the South Tower of the Smithsonian Institution Building (SIB) in 1968, by Unidentified photographer, Photographic print, Smithsonian Institution Archives, Record Unit 95, Box 31A, Folder 13, Negative Number: OPA 1457-14A."][/caption]