Route 66 trip
There's an old truck stop midway thru Missouri...on north side of the highway out of sight on the old road. Gold brick building. May be at Cuba.
Another gem is to exit near the amusement park west of St Louis. The old road is south of the highway. Neat old rock formations to see.
My wife and I did a section of the highway from Bloomington to Tulsa years ago. We wound up in private driveways in MO in our search for the early road. Fun.