Chilhowee Park is a public park, fairgrounds and exhibition venue in Knoxville, Tennessee, United States, located off Magnolia Avenue in East Knoxville. Developed in the late 19th century, the park is home to the Tennessee Valley Fair and hosts several dozen expositions annually. The park covers 81 acres (33 ha), and includes a 57,100-square-foot (5,300 m2) exposition center, a 1910-era bandstand, a 4,500-seat amphitheater, and a 3-acre (1.2 ha) lake, Lake Ottosee. The park is also home to The Muse Knoxville, a children's science museum formerly known as the East Tennessee Discovery Center.