The Illinois State Fairgrounds Route 66 Experience is a cool exhibit that's open every day inside the Illinois State Fairground in Springfield. It's like a trip down memory lane, showcasing businesses in 92 communities along Route 66 in Illinois, from Chicago to the Chain of Rocks Bridge in Madison. You'll see vintage billboards, a drive-in movie theater, Legends Neon Sign Park, and even a tribute to muffler men. It's all about reliving the road trip vibes and learning about the history of Illinois Route 66. If you can, we HIGHLY recommend visiting this attraction at night to see the neon signs glowing in their full glory.