East Tennessee
The Appalachian Trail, one of the world's most known hiking trails which was was built in the mid-1930s and passes along the Tennessee-North Carolina border. Attractions in Chattanooga include the Tennessee Aquarium, the nation's largest freshwater aquarium. Knoxville hosted the 1982 World's Fair, which drew over 11 million visitors, making it one of the most popular world's fairs in history. The Sunsphere was built for this.