Stewards of the iconic buildings and grounds of Capitol Hill since 1793.

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The Statue of Freedom
The bronze Statue of Freedom by Thomas Crawford is the crowning feature of the...

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Visitor Hours for the Buildings on Capitol Hill
Visitor Hours for the Buildings on Capitol Hill.

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AOC Receives Historic Preservation Award
The Architect of the Capitol strives to perform all work at a high level of...

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War of 1812
The War of 1812 Tour: Three Points of View Weekdays at 11 a.m. – Join a...

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A Century of Service

This year, the Capitol Power Plant marks 100 years of steady service of steam and chilled water to heat and cool the Capitol. In that century of service, the plant has undergone significant changes as new buildings were built, and more modern and efficient equipment was installed.

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