Carnival is the most popular cruise line in the world, introducing more travelers to the world of cruise vacations than any other. In the world of big ship cruising, Carnival Cruise Line has been a leader in value for decades. Itineraries ranging from short sailings of just a few days to longer voyage-length travel experiences are both things to love about sailing on Carnival. But what do cruise travelers like most about the line of the Funship? Consider these five things to love about cruising on Carnival.