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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Screenshot of Google Maps image of United States Capitol and surrounding areas.
Located at the center of Washington, D.C., the U.S. Capitol Building and other...

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East Front of the U.S. Capitol Building
AOC’s annual Performance and Accountability Report provides the results of the...

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Close up view of a Saccharum Officinarum plant
The U.S. Botanic Garden will highlight plants that impart flavor to sweet foods...

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