Bob, Try these for starters!
1 The Pinnacles, Nambung National Park, WA
A fantastic forest of stone columns has been weathered into weird and wonderful shapes by wind-blown sand.
2 Junction Pool Lookout, Karijini National Park, WA
Offers an awe-inspiring view from the rim of Hancock Gorge into three dramatic chasms in the Hamersley Range.
3 Geikie Gorge, WA[/]
Strikingly coloured 30-m-high limestone cliffs carved from an ancient coral reef by the Fitzroy River.
4 Bungle Bungle Range, Purnululu National Park, WA
This remote range is made up of hundreds of striped, beehive-shaped peaks.
5 Katherine Gorge, Nitmiluk National Park, NT
A dramatic series of gorges has been carved here by the Katherine River.
6 Kings Canyon, Watarrka National Park, NT
Ancient sandstone walls plunge 100 m to the floor of this spectacular gorge.
7 Uluru and Kata Tjuta, NT
Also known formerly as, respectively, Ayers Rock and the Olgas, these are two of the most dramatically beautiful rock formations in the world.
8 Wilpena Pound, Flinders Ranges National Park, SA
Weathering has produced a vast basin ringed by precipitous sandstone cliffs.
9 Blue Lake, Mount Gambier, SA
The main crater of an extinct volcano contains this small but extraordinary lake, whose waters turn vivid turquoise in summer.
10 Wallaman Falls, Girringun National Park, QLD
Stony Creek, a tributary of the Herbert River, makes a thundering plunge of 268 m down a sheer-walled gorge.
11 Whitehaven Beach, Whitsunday Islands National Park, QLD[/]
Dazzling white sand stretching for more than 9 km fringes a sheltered bay on lush, tropical Whitsunday Island.
12 Glass House Mountains, QLD
Colossal volcanic plugs, the remnants of ancient eruptions, tower over surrounding bush and farmland.
13 Cape Byron, NSW[/]
This steep, rugged promontory with its expansive views and 1901 lighthouse is the most easterly point on Australia’s mainland.
14 The Breadknife, Warrumbungle National Park, NSW
This once-molten, wafer-thin spire of trachyte rock juts 90 m out of the bush-clad ranges. Exhilarating walking tracks skirt its base.
15 Jenolan Caves, NSW
A subterranean honeycomb of more than 300 limestone caves filled with weird and wonderful rock formations.
16 Mount Arapiles, VIC
Rising precipitously from the plains of the Wimmera, this massive and dramatic sandstone outcrop entices walkers and intrepid rock climbers.
17 Mount Buffalo, VIC
This vast mass of densely forested granite, 11 km long by 7 km wide, is topped by a boulder-strewn plateau.
18 Twelve Apostles, Great Ocean Road, VIC
Eroded sandstone stacks (actually eight rather than twelve) rise spectacularly from the sea off Port Campbell.
19 Cradle Mountain, TAS[/]
The magnificent craggy peaks of Cradle Mountain, as well as the surrounding valleys and hollows (many now lakes), were carved by long-gone glaciers.
20 Wineglass Bay, Freycinet National Park, TAS[/]
A perfect semi-circular sweep of pure white sand fronting crystal-clear water and backed by pristine bush makes this cove a gem.