Ask a local what the most iconic structures in town are and they'll probably mention Sunsphere Tower. It's one of the first things that'll catch your eye when you begin sightseeing.
This modern piece of architecture in Downtown Knoxville is well-liked by fellow travelers, so be sure to put it on your to-do list. However, don't end your sightseeing there. There are a lot more attractions waiting for you to experience after Sunsphere Tower. Ijams Nature Center, Women's Basketball Hall of Fame, and University of Tennessee are close by.