It's not in the Fall, but one that I've always heard a lot about is the Back to the 50's Show in the Minneapolis/St Paul area June 21-23. Supposed to be a great gathering, and the Mall of America is in the area, too, but it's mid-summer. Another one a bit later that's intrigued me is Frog Follies in Evansville, Indiana August 23-25th - they claim the biggest pre-49 show anywhere with over 4000 entries each year since 2010. But if you want Fall, a friend went down for Cruisin' The Coast down in Mississippi - a week long event that drew over 6000 cars of all types this year, with the nightly cruises hosted by five or six different cities along the gulf coast - Cruisin' The Coast Just some ideas....