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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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The Summerhouse on the Capitol Grounds surrounded by pink azalea flowers.
A few ideas to help you in planning a visit to Capitol Hill.

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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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The East Front of the U.S. Capitol at Dusk
The AOC works to make the Capitol Dome, an enduring symbol of democracy...

Explore Capitol Hill

  • Featured

    AOC's TLC Keeps Historic Furniture Looking New

    The Senate Office Buildings Painting and Refinishing Branch gives hands-on attention to help blend vintage and new into a cohesive collection.

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  • Featured

    Mountains and Clouds Structural Analysis

    The clouds are being assessed to ensure their structural integrity, including seismic design considerations.

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Senate Office Buildings