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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Benjamin Henry Latrobe
Benjamin Henry Latrobe was hired by President Jefferson in 1803 to fill the...

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Masons work on Olmsted Terrace Steps
AOC is undertaking a project to repair, clean and preserve the Olmsted Terrace...

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