We spent the day there and are so glad we did. It is very sobering. The area is beautiful and our GPS took us through winding wooded roads that have to have great camping areas.
We love history too and I want to spend a week camping near Williamsburg. We've been but I think camping will add to the experience.
Have you read, "they met at Gettysburg"? What a battle! The invincibility of G Lee, was broken there.