Royal Caribbean International's new Harmony of the Seas has now launched as the largest cruise ship in the world. Watch as the cruise line takes you for a behind-the-scenes look at its outstanding entertainment offerings.

The sister-ship to Carnival Cruise Line's Carnival Vista is on its way as the Carnival Horizon begins initial construction here.

Watch our review and tour of the biggest cruise ship in the world, Royal Caribbean International’s Harmony of the Seas and its accommodations: Large Interior Stateroom, Family Interior Stateroom, Interior Stateroom with Virtual Balcony, Studio Ocean View Stateroom, Family Ocean View Stateroom,...