A (decidedly unflattering) nod in a famous "Simpsons" episode has fans wigging out over Knoxville's iconic Sunsphere. Here's how that happened.

“which sits atop a 266-foot-tall steel shaft” with an information desk inside. The kids pick the Sunsphere over Disney World, making their way from Springfield to Knoxville with a sign reading ...

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