From icy blue glaciers to lush forests, Alaska's diverse scenery will make your jaw drop time and again.  On these small ship National Geographic expeditions, you'll join 60 adventure seekers and a staff of world-renowned scientists, naturalists, and researchers on a journey you'll never forget.  Sail alongside pods of killer whales and watch in awe as humpback whales breach the ocean's surface.  Hear the thunderous crack of colossal calving glaciers while exploring stunning inlets on Zodiacs.  Look to the skies to spy soaring eagles and to the streams to watch coastal brown bears fishing for salmon.  Most importantly, savor every moment... this is the Alaskan adventure of a lifetime.
 
Private perks: Complimentary roundtrip airfare, transfers, and hotels (dependent on itinerary), shore excursions, dining and nonalcoholic beverages, services of expedition staff, and more, subject to terms and conditions.