Includes Patuxent River Park, Jug Bay Natural Area Trail, Jug Bay Natural Area, significnt Native American archaeological resources, and relocated historic architectural resources. 60 sites in this area of the mid-Patuxent River that span more than 10,000 years of human history and include indigenous villages and camps, colonial wharves and towns, antebellum plantation houses and slave quarters, along with 19th and 20th century shipwrecks and railroad trestles. Also includes 19 miles of trails.