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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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The Architect of the Capitol’s challenge is unique – maintaining aging, iconic buildings; adapting state-of-the-art technology; and increasing responsiveness to environmental, security and safety considerations in a rich historical setting.
The Architect of the Capitol's challenge is unique – maintaining aging, iconic...

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In the U.S. Capitol Rotunda, looking up towards the Apotheosis of Washington.
The Rotunda will be temporarily closed following the final tour on Saturday,...

Architecture

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    Renovated Bartholdi Park is a SITE(S) to Behold

    An in-depth summary of the recent park renovation.

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    USBG National Garden Turns 10

    The National Garden is a key element of the USBG, along with the Conservatory and Bartholdi Park.

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    National Garden Highlights Regional Plants and Sustainable Practice

    An outdoor laboratory for gardening in harmony with natural ecosystems.

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    Beyond the Dome – USBG Production Facility

    There are 16 growing zones, each one adjusted to precise light, temperature and humidity settings to ensure the plants' optimum…

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U.S. Botanic Garden