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Smithsonian Castle<br> Sightseeing in Washington D.C. picture - The Smithsonian Castle is the main building of the Smithsonian Institution which consists of 16 museums and galleries and the National Zoo. The Smithsonian holds more than 140 million artifacts and specimens and is the world's largest museum complex.
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The Smithsonian Castle is the main building of the Smithsonian Institution which consists of 16 museums and galleries and the National Zoo. The Smithsonian holds more than 140 million artifacts and specimens and is the world's largest museum complex.
North America
