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Snorkel Alaska. While signing up to go snorkeling in Alaska may seem like little more than a novelty, it takes just a few seconds in the waters off Ketchikan to understand that you're about to have an incredibly special experience. (Don't worry, you'll be given a wet suit to keep you warm.) Experienced guides provide both novice and experienced snorkelers the necessary information to quickly become comfortable and begin underwater gazing at giant sunflower stars, bright blood stars, sea cucumbers, and more. S. Tongass Hwy. and Roosevelt Dr., Ketchikan, AK, 99903. 907/247–7782. www.snorkelalaska.com. $110.