We went outside to the back of the museum to view what probably is the very best mural of Route 66 on the back of the building and it is sure a big one. It is prominently featured in the State of Illinois' tourism 30-second commercials when it has the red '67 Firebird convertible driving at fast speed past it.
However, since the mural is in a small parking lot it is not likely that the great old car (I had a '67 blue Firebird convertible) was going real fast when it passed it.
Sure wish that '67 was still there.
We found out later at Bull's Place that a friend of the manager owns that car.