- en-academic.com dic.nsf/enwiki/368732References. External links. * [http://www.si.edu/visit/infocenter/sicastle.htm Smithsonian Institution Building official site].
- newworldencyclopedia.org entry/Smithsonian_…In 1855, the Smithsonian Institution Building on the National Mall, designed by architect James Renwick, Jr., was completed.
- travel.sygic.com en/poi/smithsonian-institution-…Built in 1855, this beautiful building serves as headquarters for the Smithsonian Institution.
- trip.com travel-guide/attraction/washington-dc/…https://www.trip.com/travel-guide/attraction/washington-dc/smithsonian-institution-building-99731/?rankingId=100000016756.
- tr2tr.wiki wiki/Smithsonian_Institution_BuildingSmithsonian Institution Building , Washington, DC'de National Mall yakınında, Ulusal Afrika Sanatı Müzesi ve Sackler Gallery , Smithsonian Enstitüsü idari...
- commons.wikimedia.org wiki/Category:Smithsonian_…Media in category "Smithsonian Institution Building". The following 200 files are in this category, out of 351 total.
- foursquare.com v/smithsonian-institution-building…Popular as The Castle, the Smithsonian Institution Building is one of the most visible landmarks in the National Mall of Washington D.C. Read more.
- egreenews.com smithsonian-institution-building-to…The Smithsonian Institution Building, known as the “Castle,” is closing Wednesday, Feb. 1, for its first major renovation in more than 50 years.
- de.zxc.wiki wiki/Smithsonian_Institution_BuildingThe room was returned to its original state in 1987. On January 12, 1965, the Smithsonian Institution Building became a National Historic Landmark .
- wbdg.org ffc/siIn this role, AHHP strives to foster a superior understanding of the heritage of the Smithsonian buildings through preservation, research, and education.