You can’t miss it. It’s the big orange sphere sticking out above the skyline and visiting is one of the free things to do in Knoxville TN.The Sunsphere was constructed for the 1982 World’s Fair and served as the symbol to the Fair. And it was also home to a full-service restaurant and the Observation Deck, which used to cost $2.00 for the elevator ride up to visit.After the Fair finished, the Sunsphere closed to the public and remained vacant for most of its life.The Observation Deck on the 4th level re-opened in 2014 and offers a 360-degree view of World’s Fair Park, downtown, the Tennessee River, the University of Tennessee, and the Smoky Mountains.
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