Alaska already has glaciers, whales, old gold-rush towns, wild seafood, and mountains. But Princess Cruises is taking the year by storm with something bigger than a standard summer schedule.

These top cruise lines for families with teens offer some of the best entertainment at sea, from Broadway-caliber shows to roller coasters and waterslides. All your family has to do is show up. MSC Cruises offers plenty of family fun and activities for teens,