They were chosen for their value to research in glaciology and geomorphology. Several archaeological sites show evidence of people living in the area for more than 40,000 years. This coral reef was chosen for its marine biodiversity.There are pictographs that are recognised as important examples of ancient Aboriginal rock art, dating from over 18,000 years ago. It includes over 700 species of fish and is home to many endangered sea turtles.It was opened in 1973, and is a landmark of Sydney Harbour.The design is an example of the expressionist style and has had a lasting influence on architecture. It is one of the world's last temperate wildernesses. Most of it is covered by the South West Wilderness area.They contain many of the plant species native to Victoria.This performing arts complex is famous for its architecture.An area of sandstone tablelands and gorges, and eucalypt forest.
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.
Riversleigh and Naracoorte were chosen for having many fossils of many different species of extinct animals.
They are listed among the ten richest fossil deposits in the world.
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.
The park's two massive sandstone formations, Uluṟu and Kata Tjuṯa, are spiritually important to many Aṉangu.