An area of sandstone tablelands and gorges, and eucalypt forest.The area was chosen because it contains many of the different species of eucalyptus in Australia.
This place contains fossilised remains of sand formations.
It contains some of the best examples of megafauna. It is made up of sand that has accumulated over about 750,000 years.
It has over 100 freshwater lakes, and dunes reaching up to 260 m (850 ft) above sea level. Because of this, it the only place in the world where tall rainforest grows on sand.
The fossils from both sites show separate, important stages in the evolution of mammals on the Australian continent.
Riversleigh has some of the earliest mammalian fossils from the middle Cenozoic. The fossils there are from the more recent Pleistocene time, when humans first came to Australia.
They contain many of the plant species native to Victoria.