Description: [caption id="" align="aligncenter" width="430" caption="Unveiling of the model for the exhibition "The Federal City: Plans and Realities" in the Office of Exhibits Central workshop, 1976, by Unidentified photographer, Photographic print, Smithsonian Institution Archives, Record Unit 371, Box 2, Folder: March 1976, Negative Number: 76-2525-18."][/caption]
Description: [caption id="" align="aligncenter" width="400" caption="In April of 1913, East African lions, from the Smithsonian-Roosevelt African Expedition (1909-1910) and mounted by George B. Turner, are placed on display in mammal hall in the new United States National Museum, now the National Museum of Natural History, 1915, by Unknown photographer, Photographic print, Smithsonian
Description: [caption id="" align="aligncenter" width="418" caption="Laborers can be seen working on the laying of a new floor of marble and terrazzo, according to the Watkins system, in one of the Northeast Range of the United States National Museum, now the Arts and Industries Building, On the upper half of the wall models of boats can be seen, Canoes can also be seen hanging from the