St. Clair welcomes Route 66 travelers with small-town hospitality and vintage roadside charm. The Lewis Cafe, operating since 1938, remains a beloved stop for homemade pies and classic diner fare. Downtown St. Clair features antique stores, local shops, and Route 66 memorabilia. The town's historic commercial district preserves the architecture and atmosphere of Route 66's heyday, making it a perfect photo stop for road-trippers.