Icon of the Seas docked at port
I attended one of Icon of the Seas' preview cruises and spent most of my three nights lost and overwhelmed by its size and amenities.
  • Royal Caribbean's Icon of the Seas will begin its first seven-night sailings in January 
  • The new world's largest cruise ship has unprecedented features like a six-slide water park.
  • These are the nine things travelers should know about what it's like on the new mega-ship.

I was one of the first guests to sail on Royal Caribbean's newest vessel: The $2 billion Icon of the Seas, the world's largest cruise ship.