A castle’s secret? Smithsonian workers unearth 19th-century cistern
When you think of the Smithsonian Castle, you might imagine hidden chambers filled with priceless treasures or ancient ...
insider.si.edu8mon
Telephones Across the Smithsonian
Bell demonstrated his telephone and Thomas Edison his phonograph at the Smithsonian Castle Building during meetings of the newly formed National Academy of Sciences, headed by Smithsonian Secretary ...