A:Yes, the Sunsphere reopened to the public in 2014. Admission is free to travel up to the Observation Deck on the 4th level. Visitors enjoy panoramic views of downtown Knoxville, World's Fair Park, the Smoky Mountains, the Tennessee River and the University of Tennessee. The Sunsphere is open from 11am to 6pm, November through March.; and 9am to 10pm, April through October. The 5th level is the Icon Ultra Lounge Restaurant.
