Changing of the Guard at the Tomb of the Unknown Soldier occurs every hour on the hour and every half hour during the summer months. Visit the largest Catholic church in the Western Hemisphere and the eighth largest in the world on Catholic University's grounds. Can accommodate over seven thousand worshipers. There is a hallway or chapel for every faith and belief. Open daily from 9am to 5pm, and 9am to 9pm during the summer months.
Group tours are available with advance reservations.
See how U.S. Currency is printed. Tours Monday through Friday from 9am to 2pm. Closed weekends, Federal holidays, and December 24 through January 4. Closed every Tuesday and Holidays. Both are closed on federal holidays.