Smithsonian Institution Building
Smithsonian Institution Building | |
Main façade of the Smithsonian Building | |
| Location | Washington, D.C. |
|---|---|
| Coordinates | 38°53′19.49″N 77°1′33.59″W / 38.8887472°N 77.0259972°W |
| Built | 1849–1855 |
| Architect | James Renwick Jr. |
| NRHP reference No. | 66000867 |
| Significant dates | |
| Added to NRHP | October 15, 1966 |
| Designated NHL | January 12, 1965 |
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The Smithsonian Institution Building, more commonly known as the Smithsonian Castle or simply The Castle, is a building on the National Mall housing the Smithsonian Institution's administrative offices and information center. Built as the first Smithsonian museum building, it is constructed of Seneca red sandstone in the Norman Revival style (a recalling of a 12th-century combination of late Romanesque and early Gothic motifs; built in the Gothic and Romanesque revival styles). It was completed in 1855 and designated a National Historic Landmark in 1965.