Stewards of the iconic buildings and grounds of Capitol Hill since 1793.

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William Henry Powell’s painting of the Discovery of the Mississippi by De Soto
William Henry Powell’s dramatic and brilliantly colored canvas was the last of...

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A crowd of people visiting the Capitol during visitor hours
Please note: Many of these Capitol Hill buildings are working office buildings...

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Painted portrait of Dr. William Thornton
The Architect of the Capitol (AOC) is the builder and steward of America’s...

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Cara holding her chocolate tree.
With Sprouts at the U.S. Botanic Garden, children learn about the magical world...