Royal Caribbean cruises has launched the world?s largest cruise ship knows as "Freedom of the Seas". This luxury cruise liner is a 158-tonne ship accommodating 3,600 guests. In comparison, Cunard?s Queen Mary II holds 2,620 passengers. A few of several incredible amenities include luxurious theaters, H20 Zone, an adults-only jungle-themed solarium, a designated sports pool, rock climbing and an ice rink.