Located across the 14 th Street bridge in Virginia. Closed on federal holidays and weekends. Visitors under 16 must be accompanied by an adult. I.D. Tours lasting 1 hour and 15 minutes start every half hour beginning by the ticket window at the north end of the concourse. Reservations are required for groups of 9 or more made at least 2 weeks in advance.
Tours are free of charge.
Follow the signs for Visitors Parking. Tours are recommended typically for children 12 and up only. Arrive 30 minutes before tour time. Entrance is on 23 rd Street. Tours are by reservation only, accepted 90 days in advance.