Take a campus tour or just explore the area of University of the Ozarks, during your travels in Clarksville. While you're in the area, wander around the natural setting.
Though Johnson Regional Medical Center might be what brings you to town, perhaps you'll have a chance to explore more of Clarksville while you are here.
You can enjoy some culture when you stop by Johnson County Historical Society Heritage Center in Clarksville. Make some time to visit the cathedral while you're in the area.