Kenai Fjords, located near the charming fishing village of Seward, is one of the most popular national parks in Alaska. However, the vast majority of the park is covered by ice and water—so the best way to explore and enjoy its famed landscapes and wildlife is by boat. Here’s everything you need to know about taking a Kenai Fjords cruise, from what to expect while you’re out on the water to whether it’s worth the hefty price tag.