Alaska Treehouse TimelapseView Alaska articles & videos off onShare:Watch this exclusive treehouse build timelapse, with Princess Cruises and Animal Planet's™ Treehouse Masters, at Mt. McKinley Princess Wilderness Lodge®. Experience this amazing treehouse for yourself with Princess, the #1 cruise line in Alaska.You May Also LikeAlaska Cruises and Cruisetours See the Great Land’s glaciers, wildlife, and national parks.Destinations Sail to almost anyplace you can dream of.New to cruising First time cruising? Have questions? We have the answers so your first time will be nothing but smooth sailing.