Navitat Knoxville's tree-based zipline adventure park at Ijams Nature Center is designed to thrill, educate and inspire! With more than 60 adventure elements from ziplines and bridges to swings, nets, elevated tunnels, and more! The park is a treetop wonderland full of surprises: Six different elevated adventure trails, unique educational themes and environmental artwork. You can also choose your own adventure! Stick to the easier trails if you like or challenge yourself to conquer the more difficult trails.