5. Great Blue Hole in Belize
In the central part of the atoll (one of the objects of the coral barrier reef off the coast of Belize) is amazingly beautiful landscape — blue hole, which is leaving the depths of the cave.
This phenomenon is widespread in nature, but the Big Blue impresses with its size (depth of 120 meters, diameter — 300). A popular place for extreme divers paradise for those who made a diving meaning of life. Here his research, Jacques-Yves Cousteau, who brought this place world famous.