The centerpiece of the Fort Frederick State Park is a unique stone fort that served as Marylandâs frontier defense during the French and Indian War. Built in 1756, the fort's stone wall and two barracks have been restored to their 1758 appearance. Take this unique opportunity to view a virtual tour of the historic Fort. https://dnr.maryland.gov/publiclands/Documents/FFSP_Virtual%20Tour.pdf The park itself remains OPEN. Visit the below link or call the park about specific amenities as Maryland reopens.