Saguaro cactus, dust storms, triple-digit temperatures — with sharks and penguins? OdySea is the largest aquarium in the southwest U.S., boasts 370 species among over 6,000 animals, and is well worth an afternoon. Located in a food-and-entertainment complex now called Arizona Boardwalk, OdySea has some pretty cool shark exhibits, and it's good to see jellyfish every now and then to remind you what a bizarre planet this is. Our kiddo spent an inordinate amount of time at the Stingray Bay touch pool, then followed it up with some relaxation at the cafeteria, which has a lighthouse to explore. And if you're willing to drop a little extra change, OdySea offers some delightful animal encounters, like petting penguins or swimming with the fish. It's a refreshing taste of ocean life in the middle of the desert.