From downtown Harrisburg you can get to the Appalachian Trail within 20 minutes, maybe less. The 2,190-mile trail is the longest hiking-only path in the world. You may not regard Harrisburg as overwhelmingly unique in the world, but our proximity to the AT plus the Rockville Bridge, which is the longest stone masonry arch railroad … Continue reading Adventure Together: The Appalachian Trail is calling, and our writer’s family ventures out