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

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Ionic Columns
The Ionic column is typically identified by its capital, which includes large...

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The Summerhouse on the Capitol Grounds
A few ideas to help you in planning a visit to Capitol Hill.

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Dr. William Thornton
 The Architect of the Capitol (AOC) is the builder and steward of America’s...

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Sarracenia leucophylla x alata photo.
Learn about carnivorous plants on September 6 at 10:30 a.m.

Taxonomy term