You are looking at the nationally significant site of the notorious Belle Isle prisoner-of-war camp where during the Civil War thousands of captured U.S. soldiers were confined.
After the war began in 1861, military prisoners jammed . . . — — Map (db m270199) HM
The Belle Isle prisoner-of-war camp that stood before you here was a prison without walls. Federal soldiers were confined by the James River and by the low earthen "dead line," such as the one replicated in front of you, surrounding the camp. . . . — — Map (db m270198) HM