Fort Frederick - View this location on map The Southern Colonies' largest and best preserved architectural example of an 18th-century frontier fort erected for frontier defense against Indians. It sheltered some 700 people during the 1763 Pontiac War, and, from 1777 to 1783, it served as a prisoner-of-war camp for captured British and German soldiers during the War for Independence. Vicinity of Big Pool, Big Pool, Maryland Historical

---