KNOXVILLE, Tenn. — The Sunsphere, Knoxville's glimmering icon in the heart of the downtown area, will start welcoming visitors inside its new welcome center Wednesday morning. Officials are set to cut ...

"The Simpsons" episode famously featuring Knoxville and the Sunsphere, aka the Wigsphere, is now featured in a display on the Sunsphere observation deck.

The Sunsphere needs no explanation in Knoxville, but many people outside the Scruffy City know the World's Fair landmark as the Wigsphere. If you're bewildered, you're probably not a fan of "The ...