The Castle & the Gardens
The Smithsonian Institution Building is commonly known as the Castle in DC. The Renwick Gates (to the Enid A. Haupt Garden) – the cast iron carriage gates, taken from the and looking out to Independence Avenue entrance is based on an 1849 drawing by James Renwick, Jr., architect of the Smithsonian Institution Castle. The Moongate Garden was inspired by architectural and symbolic elements found in the Temple of Heaven, in Beijing.