Curriculum-based Education Programs are offered Monday through Friday as weather and staff availability permit. These tours generally last 45 minutes to 1 hour. Reservations are required in advance. To reserve a date for a program, call the park at (540) 721-2094. We suggest that you book your selected date as far in advance as possible. Dates in April, May, and October fill up quickly. We do not accept rain dates; however, every effort is made to reschedule a tour to everyone's convenience. There is no admission fee. The park is open daily from 9:00 a.m. to 5:00 p.m.