The Sunsphere , a steel truss structure topped with a gold-colored glass sphere , was built for the fair and remains one of Knoxville 's most prominent structures , along with the adjacent amphitheater which underwent a renovation that was completed in 2008 .
The Sunsphere , a 266 ft steel truss structure topped with a gold-colored glass sphere , was built for the fair and remains one of Knoxville 's most prominent buildings , along with the adjacent amphitheater which underwent a renovation that was completed in 2008 .