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: Some refer to the Smithsonian as "America's Attic." It probably earned this nickname because throughout its history, the Smithsonian has acquired artifacts, relics, paintings, personal collections, and even hair samples related to the Commander in Chief (yes, the National Museum of American History has a collection of presidential hairs!).With Presidents' Day coming up on