Sunsphere

A March 1996 episode of The Simpsons, "Bart on the Road," features the Sunsphere.Bart and three friends travel to Knoxville to visit the World's Fair, only to learn they are over a decade too late. The Sunsphere has become a dilapidated storage warehouse for a wig store, known as "The Wigsphere." Nelson then topples the Sunsphere after he throws a rock at it causing it to land on top of and completely crush their rental car, stranding them in Knoxville.