Cannon House Office Building

The Cannon House Office Building, completed in 1908, is the oldest congressional office building as well as a significant example of the Beaux-Arts style of architecture. It occupies a site south of the United States Capitol bounded by Independence Avenue, First Street, New Jersey Avenue, and C Street S.E. In 1962 the building was named for former Speaker of the United States House of Representatives Joseph Gurney Cannon. Wikipedia*

On the C-SPAN Networks:
Cannon House Office Building has hosted 1 event in the C-SPAN Video Library; the first program was a 2022 Interview.