Maaya Thila, Maldives
Home to hammerhead sharks, reef sharks, and white tips that circle the dive site in large groups, Maaya Thila is one of the best spots in the world to swim alongside whale sharks. The largest species of fish, a whale shark can grow to be 46 feet long and weigh up to 15 tons. Hopefully you've practiced with Dory and brushed up on speaking whale...
Getty
