Photograph of people walking outside on a Self-Guided Tour of Capitol Hill
Visitors can tour many highlights on Capitol Hill without registering.


A group of visitors walking in in front of the Capitol Building
Building, Infrastructure, People The Architect of the Capitol is committed to...


Sustainable landscaping program SITES, developed by United States Botanic...


Gregory IX


Gregory IX (c. 1147-1241) Medieval pope. Author of a compilation of decretals (i.e., authoritative decisions) on canon law; during a critical period he was instrumental in maintaining the remnants of Roman law.

Thomas Hudson Jones

Marble, 28" dia.
House Chamber
U.S. Capitol

The 23 marble relief portraits over the gallery doors of the House Chamber in the U.S. Capitol depict historical figures noted for their work in establishing the principles that underlie American law. They were installed when the chamber was remodeled in 1949-1950.

Last Updated: April 29, 2016