The world's largest cruise ships are a marvel of engineering and design, offering passengers a unique and exciting travel experience. With ships that can accommodate more than 7,000 passengers and more than 2,500 crew members, cruise lines such as Royal Caribbean, Norwegian Cruise Line, Costa Cruises and MSC Cruises have revolutionized the cruise industry with their huge ships full of activities, entertainment, restaurants and bars. The world's largest cruise ships not only offer an unforgettable travel experience, but also feature state-of-the-art facilities such as water parks, giant waterslides, ice skating rinks, bowling alleys and much more. Here are the largest cruise ships: