Royal Caribbean Cruise Line is home to the largest cruise ships in the world – the famous Oasis-class ships including Oasis of the Seas, Allure of the Seas, Harmony of the Seas and Symphony of the Seas.  Additionally, their Quantum-class ships are the most technologically advanced ships sailing the seven seas.  With one of the largest fleets, Royal Caribbean ships can be found sailing around the world to some of the most exotic ports of call.