2Brazil, Fernando De Noronha Island
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Fernando de Noronha Marine Park, a World Heritage Site, is Brazil’s premier diving destination. With 230 species of fish, 15 species of coral and this is where the world’s biggest pod of spinner dolphins call home; the pod—which possibly numbers in excess of 10,000 animals—can be regularly encountered in the early morning as they return home from a busy night hunting in the open ocean.