Admission to all state parks and historic sites will be free for Maine residents during the Department of Conservation’s annual Maine Day on Sunday, Aug. 10. The parks include Fort Knox in Prospect.

More than 50 parks and historic properties from Fort Kent to Cobscook Bay, Range Pond, Fort Edgecomb and Kittery will have free admission for day use activities. Beaches, military fortifications, fishing holes, hiking and walking trails, historic homes and lakes offer recreation and history for all ages.

To learn more about Maine’s state park destinations, go to www.maine.gov/doc/parks or call 287-3821.

For information about Maine’s summer events and attractions log on to www.visitmaine.com or call 888-624-6345.