New Caledonia Barrier Reef, Melanesia
Second in length only to Australia’s Great Barrier Reef, this coral formation in the southwest Pacific runs for nearly 1,000 miles (1,600 km) through the islands of New Caledonia, encircling a vast lagoon. Species found here are so diverse that many are still being discovered, though 1,000 kinds of fish are known. Turtles love the … Read more