If you're thinking of cruising, there's a very good chance you're considering a Carnival cruise. Growing since our founding in 1972, Carnival Cruise Line — “The World's Most Popular Cruise Line®” — now carries millions of guests every year, and was the first-ever cruise line to reach the milestone of having sailed 100 million guests! Carnival Cruise Line is proud to be part of a family of companies owned by Carnival Corporation, which includes sister lines Princess Cruises, Holland America...