6.MacKenzie Falls
The biggest waterfall in the kangaroo-infested Grampians National Park, a sandstone mountain range that rises from the plains 235 kilometers west of Melbourne. At MacKenzie Falls, water falls 30 meters into a gorge, all year round, and gives off a rainbow mist in the sunshine.
7.Kakadu
Encompassing 20,000 square kilometers of tropical biodiversity, including 1,700 plant species, Kakadu lies 171 kilometers southeast of Darwin. It contains floodplains, tidal flats and rock country. It's covered in Aboriginal rock carvings and, controversially, has a uranium mine.
8.Blue Mountains
The Blue Mountains are two hours' drive west of Sydney. Eucalyptus oil from gum trees gives the panorama a green hue. From Echo Point, on the ridges of the Great Dividing Range, the limestone rock formation, the Three Sisters, rises from sandstone plateau and 760-meter-deep gorges. It contains some of the world's oldest species of plants — including Wollemi pines, the botanical equivalent of dinosaurs.
9.Bungle Bungles
In the northwestern region of the continent, the 350-million-year-old massif in the Bungle Bungles/Purnululu National Park is a condensed sandstone range that rises to 578 meters. Gorges, tropical pools and caves are home to unique mammals and wildlife.
10.Fraser Island
Fraser Island is the world's largest sand island, 123 kilometers in length and up to 22 kilometers wide, lies at the end of the Great Sandy Straight. It has rainforests, 240-meter-high sand dunes, 100 freshwater lakes and a diverse wildlife including many dingoes.