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Photograph of people walking outside on a Self-Guided Tour of Capitol Hill
Visitors can tour many highlights on Capitol Hill without registering.

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Photo of Capitol Hill steps.
Download a PDF of the full list.

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Nitrate vault at the Library of Congress Packard Campus
The Architect of the Capitol (AOC) is responsible for managing all of the...

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Capitol Police Buildings, Grounds and Security

Capitol Police Buildings, Grounds and Security

The Eney, Chestnut, Gibson Memorial Building.

The Capitol Police Buildings, Grounds and Security jurisdiction is managed by the Office of Security Programs (OSP). It is responsible for the maintenance, care and operation of the buildings, grounds and security enhancements of the U.S. Capitol Police (USCP) and related facilities.

OSP also provides centralized security operations for the U.S. Capitol, manages the Architect of the Capitol's internal security programs and perimeter security kiosks, coordinates interagency emergency preparedness and supports the USCP in protecting, policing and providing security for the congressional community and its visitors.