The document discusses several beautiful underwater locations around the world, including Raja Ampat in Indonesia, Wakatobi National Park in Indonesia, Belize Barrier Reef, deep sea vents, the Galapagos Archipelago, the Great Barrier Reef, Lake Baikal, the Northern Red Sea, and Palau. It describes Raja Ampat as having thousands of fish species and beautiful underwater walls affected by ocean currents. It provides details on Wakatobi National Park, noting its 25 coral reefs across 600 km of coastline, making it suitable for tourism activities like diving and snorkeling.