“I only went out for a walk, and finally concluded to stay out till sundown, for going out, I found, was really going in.” - John Muir Photo of the Appalachian Trail in Virginia’s Shenandoah National Park (@shenandoahnps) on a gorgeous fall day by Harrison Martin (www.sharetheexperience.org). #usinterior #findyourpark #travel #shenandoahnationalpark #nationalpark @usinterior usinterior U.S. Department of the Interior