Category Events - United States, Knoxville (TN) Join us for free a free Family Fun Day featuring activities, crafts, tours, and more. The McClung Museum will offer a family event centered on medicinal plants. Additionally, there will be tours of the exhibition Pick Your Poison: Intoxicating Pleasures and Medical Prescriptions. All materials will be provided. The program is free and open to the public. Reservations are not necessary.