It’s not hard to see why this six-hour excursion in Kenai Fjords National Park is one of Alaska’s most popular wildlife and glacier cruises. Glide past alpine and tidewater glaciers, spot abundant marine wildlife, and visit seabird rookeries at the Alaska Maritime National Wildlife Refuge. Drifting past the jagged icy cliffs along the Kenai Peninsula, you might catch breath-taking glimpses of humpback, minke, and orca whales, among other creatures that flock to the plankton-rich waters. No matter your adventure style, there are plenty of tours available for exploring Kenai Fjords National Park.