Riversleigh and Naracoorte were inscribed for their extensive fossil records, and are listed among the ten richest deposits in the world.
Both are illustrative of separate, key stages in the evolution of mammals on the Australian continent.
Riversleigh has provided some of the earliest mammalian records from the middle Cenozoic.
Some sites, designated "mixed sites", represent both cultural and natural heritage.
In Oceania there are 7 cultural, 19 natural and 5 mixed sites.
The first three inscriptions from the region, the Great Barrier Reef, Kakadu National Park and the Willandra Lakes, were in 1981—three years after the list's creation.
In addition, the Tasmanian Wilderness is one of only two sites in the world that meet seven out of the ten criteria for World Heritage listing (Mount Tai in China being the other).
The tests had significant consequences on the health of the surrounding environment and its inhabitants. The site contains many visible remains of the effects of nuclear testing.
The fallout from the Castle Bravo explosion in 1954 led to the most significant radiological contamination in U. Consists of three sites on the islands of Efate, Lelepa and Artok associated with Roy Mata, a 13th-century paramount chief whose social reforms have remained relevant to contemporary local society.
Fraser Island is the world's largest sand island, composed of sand accumulated over approximately 750,000 years.
It contains over 100 freshwater lakes, and dunes reaching up to 260 m (850 ft) above sea level.
It includes his residence in the abandoned settlement of Mangaas, the site of his death on Lelepa, and his burial site on the island of Artok.