Description: [caption id="attachment_12162" align="aligncenter" width="384" caption="A participant discusses a lock of hair from a member of her family with NMAAHC staff at a Save Our African American Treasures event held in Detroit, Michigan, by Michael Barnes, Courtesy of The Smithsonian's National Museum of African American History and Culture."][/caption] [caption
Description: The National Museum of Natural History (NMNH) first opened to the public on March 17, 1910, as the new United States National Museum. The National Museum was first housed in what is now the Arts and Industries Building. The postcards in this gallery provide exterior views of the building as well as images of exhibits inside the museum. We know that many of these postcards are