I've sailed on 4 cruise ships. Here's how I think Royal Caribbean's Icon of the Seas compares — see inside.

Tech Insider : Travel
Royal Caribbean's Icon of the Seas during sea trial collaged with a rendering of the ship
The Icon of the Seas during sea trials next to an early rendering of the ship.

Royal Caribbean International

Here are some of the craziest activities you can do on cruise ship, from full length karting tracks, to ziplines and 'boomerang' slides

Tech Insider : Travel
Himalayan Bridge, MSC Cruise
One of many wacky attractions designed to entertain guests on long cruises.

MSC Cruises

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