If you are in a group of 20 or more, a 10-day advance notice reservation is necessary. Pentagon Metro Stop. Extended Summer hours are determined annually. Extended summer hours are determined annually. Smithsonian Metro Stop.
Tours are by reservation only.
Foggy Bottom Metro Stop. No tours are given during August. Capitol South and Union Station Metro Stops. The National Park Service has concessionaire-operated guided tourmobiles that travel from Capitol Hill to Arlington Cemetery and points in between with unlimited reboarding privileges the day of ticket purchase. Call for more information, rates, and tour hours.