Description: [caption id="" align="aligncenter" width="406" caption="The Alexander Calder sculpture outside the western facade of the National Museum of History and Technology, now the National Museum of American History, looking towards the Mall with the United States Department of Agriculture Building in the background, Date unknown, by Unidentified photographer, Photographic print,
Description: [edan-image:id=siris_sic_7497,size=350,left][caption id="" align="aligncenter" width="402" caption="On August 20, 1957, a coelacanth, Latimeria chalumnae Smitha, living fossil fish, is put on exhibit in the foyer of United States National Museum, now known as the National Museum of Natural History, 1957, by Unidentified photographer, Photographic print, Smithsonian Institution