Glacier Bay is a national park and preserve located in Alaska. Glacier Bay National Park and Preserve protects tidewater glaciers, which flow out of the mountains to the ocean, and other natural wonders. Visitors to Glacier Bay can choose from a variety of boat tours to view the beauty of the area. Everything from single-person kayaks to cruise ships holding thousands allow visitors to see the national park by water. The majority of Glacier Bay tours are by water, but visitors also can experience the park by air and on the ground.