Neon sign for Der Rathskeller, 1132 Auburn Street in Rockford, Illinois. Fred Goetz opened Der Rathskeller, Rockford’s only German-American restaurant, in 1931. It offers an outdoor beer garden and romantic, candle-lit basement dining. Yes, it’s also supposed to be haunted. According to Haunted Rockford, Illinois by Kathi Kresol, many employees believe Fred still hangs around, making adjustments to place settings after hours and playing little pranks to make sure they know he’s still around.