The iconic highway has inspired road trips, songs, and animated movie characters since construction on the “Main Street of America” was approved in 1926, back when gas cost less than a quarter a gallon.
The Chain of Rocks Bridge, constructed in 1929, sits 60 feet above the Mississippi River and links Madison with St. Louis. The mile-long historic structure is popular with motorists and cyclists.
World’s Largest Catsup Bottle (Collinsville, Illinois)
Drivers can find the World’s Largest Catsup Bottle a little south of downtown Collinsville. The 170-foot-tall historic water tower was completed in 1949 for the Brooks Foods plant.