Ruby Falls features a 145-foot underground waterfall inside Lookout Mountain, creating a unique geological attraction accessible via guided cave tours with dramatic lighting.
Rock City Gardens features massive rock formations, gardens, and panoramic views from Lookout Mountain with the Swing-A-Long Bridge and views of seven states.
Tweetsie Trail follows a former railroad corridor with 10 miles of paved trail connecting Johnson City to Elizabethton, providing scenic walking and biking with free access.
Ijams Nature Center encompasses 315 acres with hiking trails, rock climbing, and water activities providing outdoor recreation with diverse habitats near downtown Knoxville.