Town near Walton's Mountain where Dr. Miller, experimental medicine professor at U. of VA in Charollosville was born He also contracted polio at 18 years old, prompting John-Boy to visit him for help with Olivia, who recently contracted polio Crabtree Falls is located in the George Washington National Forest, Crabtree Falls Nature Center and parking area is located on state route 56, just 19 miles west of U. S. Highway 29 in Nelson County, Virginia or 6 miles east of the intersection of state route 56 and the Blue Ridge Parkway