Finished Puzzle Size: 16 x 20 in. At a calm point on the rugged Tennessee River Cherokee Chief John Ross established a settlement that would become known as Chattanooga. The city has always utilized technology to make it Dixie’s Dynamo even surviving brutal Civil War conflict. Unfortunately, it became a victim of its success and in 1969 it was announced as, “The Dirtiest City in America.” Chattanooga took strong actions to clean up and has become among the cleanest cities in the country. With investments in city-wide 1 gig internet and a brand new billion dollar Volkswagen plant it is still a dynamo. Discover the natural and architectural beauty of Chat town and, yes, that is the Chattanooga Choo Choo.