Plunge into an amazing ocean world—check out what it's like to swim side by side with playful dolphins, sea lions, turtles, and mantas. Test your limits while facing crocs, witness a wall of sharks or club of migrating sardines, and swim in a lake teeming with jellyfish (luckily, these ones don't sting!). Life beneath the water is full of wonders, from underwater museums to the most unusual sea creatures you've ever seen.