N.W. Open 9 a.m. to 5 p.m. Monday through Friday. 7 p.m. Sites include the Tomb of the Unknown Soldier, the Amphitheater, the Custis-Lee Mansion and the graves of Presidents John F. Kennedy and William Howard Taft. Changing of the Guard at the Tomb of the Unknown Soldier occurs every hour on the hour from October through March, and every half hour from April through September.
Group tours are available with advance reservations.
14 th and C Streets, S.W. See how U. S. currency is printed. Tours Monday through Friday from 9 a.m. to 2 p.m. Closed weekends and Federal holidays. N.E. A hands-on museum where children and adults can learn, explore and have fun with interactive exhibits. Gardens are open daily from 2 p.m. to 5 p.m. The museum is open Tuesday through Sunday from 2 p.m. to 5 p.m.