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Visitors can tour many highlights on Capitol Hill without registering.
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A group of visitors walking in in front of the Capitol Building
Building, Infrastructure, People The Architect of the Capitol is committed to...
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The Architect of the Capitol's approach to sustainability and energy...
  • U.S. Botanic Garden

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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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  • U.S. Botanic Garden

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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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  • U.S. Botanic Garden

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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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  • U.S. Botanic Garden

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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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