Harmony of the Seas offers loads of top-deck attractions, a variety of cabin styles and ample dining options. Here's what ...

Launched in June 2016, Harmony of the Seas is the world's largest cruise ship. It is the company's third Oasis-class ship, and introduces the first waterslides on Royal Caribbean.

Royal Caribbean invited me on the Icon of the Seas' complimentary three-night preview sailing in late January — a week before the ship's official debut. I was assigned one of the ocean-view ...