Pontiac-- Oakland Museum
Normal-- Sprague's Super Service station It is so great that Bloomington-Normalhave finally arrived at the decision that Route 66 heritage is good for business.
Bloomington-- Cruisin' With Lincoln on 66 Visitors Center
McLean-- McLean Depot Train Shop
Atlanta-- Palms Grill Cafe, Colaw Rooming House
Lincoln-- The Mill Museum
Springfield-- Lincoln Presidential Library and Museum
Litchfield-- Litchfield Museum and Route 66 Welcome Center
Pacific-- Jensen's Point
Cuba-- Wagon Wheel Motel, The Four Way
Carthage-- Boots Motel
A comment mentioned Wrink's in Lebanon.
And those are just some in the first two states the road crossed.