Get Royal Caribbean, and "get out there" for some excitement. Royal Caribbean Cruise Line boasts a fleet of the world's largest ships, with eight of them weighing 135,000 tons or more. Royal Caribbean ships are basically cities at sea, arguably offering the best variety of bells and whistles out of all the mainstream cruise lines. Main competitors are Carnival and NCL. Royal Caribbean International offers a wide variety of sailing schedules allowing passengers to visit destinations and ports of call around the world. Popular itineraries include cruises sailing to Alaska, Australia/New Zealand, Bahamas, Bermuda, the Caribbean, the Panama Canal, U.S Eastern Seaboard, Hawaii, U.S. and Canada inland waterways, the Mediterranean, Middle East, The Orient, and more.