Enjoy the best of Juneau's nature and wildlife on this unforgettable half-day tour. Be amazed by the 13-mile (21-kilometer) Mendenhall Glacier, and take to the water on a whale-watching cruise. As well as humpback whales, there's a good chance of spotting bald eagles, blue heron, and other animal and bird life. This is a must-do activity for travelers who appreciate the grandeur of nature.