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Visitors can tour many highlights on Capitol Hill without registering.
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Official painted portrait of 11th Architect of the Capitol Stephen T. Ayers.
On February 24, 2010, President Barack Obama nominated Mr. Ayers to serve as...
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The aromatic aster (Symphyotrichum oblongifolium) in bloom at the National Garden
See what is in bloom at the U.S. Botanic Garden.