The Tiger shark (Galeocerdo cuvier) has been described as the great white of the tropics. They grow to a large size and have a wide mouth which makes them capable of devouring big chunks of food.
Piccaninnie Ponds Conservation Park
The karst rising spring known as Piccaninnie Ponds, located south-east of Mt Gambier in Australia, is a Ramsar Wetland giving it global recognition and international protection.
Australia's Tank Cave
Tank Cave, located near Mt Gambier in South Australia, is one of Australia's most extensive underwater cave systems.
The fiords of southern New Zealand are water-filled canyons that were excavated by glaciers. The steep slopes you see above water are one of the most exciting features below it.