Saw this article in the Columbus Underground and that it was pretty cool--all about imagined arenas and stadiums in Columbus that were never built:

https://www.columbusunderground.com/never-built-columbus-stadiums-and-ar...

Including this: 

One final Ohanian brainstorm that never made if off the drawing board – a plan to put a roof on Ohio Stadium and submit a bid to host the 1992 Super Bowl there.