If you're driving to the Great Smoky Mountains from Atlanta or one of the other cities nearby, you'll almost certainly take I-75 between Chattanooga and Knoxville. The gateway to the Smokies has lots to offer if you're willing to get off the beaten path. There are destinations on either side of the Tennessee River or Chickamauga Lake, including a number of state parks. … [Read more...] about Road Tripping from Chattanooga to Knoxville