Many of the notable historic buildings in Fort Payne date from this period of economic growth and prosperity, including the state's oldest standing theater, the Fort Payne Opera House; the former factory of the Hardware Manufacturing Company (today known as the W. B. Davis Mill Building, now the location of the Fort Payne Depot Museum, formerly the passenger station for the present-day Norfolk Southern Railway. Following the decline of passenger traffic as people took to automobiles, today the depot serves as a museum of local history.