Where congress meets. Guided tours everyday will take you around congress. Open from 8:30 a.m. to 4:30 p.m. Monday through Saturday. Closed Thanksgiving Day, Christmas Day, New Year's Day and Inauguration Day. Guided tours available throughout the day but you probably want to get there before 2.to catch on.
East Capitol Street, NE and 1st Street, NE Washington, DC 20002