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

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 ...

KNOXVILLE, Tenn. — Residents and visitors can now buy annual passes to visit the Sunsphere. Visit Knoxville announced Tuesday that the famous Knoxville attraction will offer passes for families ...

KNOXVILLE, Tenn. (WATE) — Knoxville residents will get the chance to visit the Sunsphere for free on January 28 for “National Plan Your Vacation Day.” A release from Visit Knoxville shared ...

They will cost $40 for a single pass or $120 for a family of up to five people.