The Architect of the Capitol is the steward of the landmark buildings and grounds of Capitol Hill in Washington, D.C.

Tracing its beginnings to the laying of the Capitol cornerstone in 1793, the AOC is responsible for the operations and care of more than 18.4 million square feet of facilities, 570 acres of grounds and thousands of works of art. The Capitol campus is home to 30,000 daily occupants and hosts more than 3 million visitors annually.