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

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The National Garden provides "living laboratories" for environmental, horticultural, and botanical education in a contemplative setting.
The National Garden was created as a place for visitors to experience the...

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A crowd of people visiting the Capitol during visitor hours
Please note: Many of these Capitol Hill buildings are working office buildings...

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Photo of Stephen T. Ayers, FAIA, LEED AP, Architect of the Capitol in front of the Capitol Building
On February 24, 2010, President Barack Obama nominated Mr. Ayers to serve as...

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Photo of Dr. Novy giving a tour.
Join USBG Executive Director Dr. Ari Novy on an expedition through the...