Australias Underwater Paradise Diving the Great Barrier Reef

The Great Barrier Reef. It is the biggest and most well-known reef in the world. It may be seen from space as well as from the air. Australia's northeastern state of Queensland is home to the city of Cairns. The Great Barrier Reef stretches 1600 miles along Queensland's coast. The greatest living structure created by living things, it is composed of millions of interconnecting coral heads!