Springfield Extravaganza shoppers, behold: a link to a printable map. Yes, it exists. No, it won’t help you find Aunt Marge’s favorite Pyrex dealer from last year. Did you know the fairgrounds used to be an airport? That explains why the layout looks like a geometry problem gone wrong. One minute you're in Booth 67A, walk 5 ft and you're in 117. It's a little bit like abstract art, you like it but you don't know why, it's beautiful but confusing and you have to squint. The real navigation system