I agree with many of the comments here about life on board ship, but not much has been said about excursions.  Alaska cruises are great cruises for older kids and teens.  There are so many adventure type excursions that almost any kid would love, sled dogs, glaciers, fishing, rafting, wildlife, zip lines, etc.  And Princess has Discovery at Sea, so even on a sea day their are things to do.  Princess has the best ports and excursions in Alaska.   Look at the available excursions that wo