Conservation and Research Center of the National Zoological Park in Front Royal, Virginia, by Unknown, 1987, Smithsonian Archives - History Div, View of the Conservation and Research Center (CRC), now known as the Smithsonian Conservation Biology Institute (SCBI), of the National Zoological Park in Front Royal, Virginia, where endangered species are studied and bred. In the foreground animals are grazing in a field and in the distance, among the rolling hills, are CRC houses and animal buildings..