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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Map of Capitol Hill
View a map of the U.S. Capitol and other buildings and grounds cared for by the...

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The AOC maintains the grounds of the U.S. Capitol
The roles and responsibilities of the Architect of the Capitol cover an...

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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...