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 ...
Smithsonian Magazine on MSN4mon
Workers Uncover an Underground Chamber Sealed for More Than a Century Near the National MallDuring the renovation of the Smithsonian Castle in Washington, D.C., workers have discovered a hidden chamber. Built in 1847 ...
The Smithsonian Castle and Enid A. Haupt Garden will be closed for renovations beginning February 1, 2023. The renovation is expected to last approximately five years. The Smithsonian Castle is a ...
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