OK. Let's make people think a bit more. Riddle me this, Batman!
1. Based on an attraction that debuted at Expo 67. (I went to Expo 67, but I can't say that I recall this attraction. But my guidebook says that it was there.)
2. Features a performance by an "Idol" winner.
3. Though some would describe the attraction as LONG, you would be hard-pressed to describe it without using the word SHORT.