The Spirit of Dubuque, Iowa's only authentic paddlewheeler, offers daily sightseeing cruises, luncheon and dinner cruises. Open-air sightseeing deck and climate-controlled dining salon. Charters, fall foliage cruises and Mark Twain Dinner Theater. The Miss Dubuque, a modern yacht, also offers charters, cocktail and dinner cruises as well as murder mystery dinners and lunches.