Outdoor memorial free. Museum $15; $12 (ages 6-17, ages 62+, college students and military with ID).
Outdoor memorial open daily 24 hours. Rangers are on-site 9-5. Museum open Mon.-Sat. 9-6, Sun. noon-6; last admission 1 hour before closing. Museum closed Jan. 1, Easter, Thanksgiving, Christmas Eve and Christmas. Allow 1 hour, 30 minutes minimum.