Serving Congress and the Supreme Court, preserving America's Capitol, and inspiring memorable experiences

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Old Supreme Court Chamber
The Old Supreme Court Chamber is the first room constructed for the use of the...

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