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

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United States Capitol - 1846
The history of the United States Capitol Building begins in 1793. Since then,...

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The Summerhouse on the Capitol Grounds
A few ideas to help you in planning a visit to Capitol Hill.

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Publications
The Architect of the Capitol annually publishes a wide variety of publications...

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Earth Day Celebration at the U.S. Botanic Garden
Join the United States Botanic Garden for an Earth Day Celebration on the...