Australia is a huge country so there are lots of different environments.
The country is huge and in some places the roads are very monotonous so to keep the drivers alert the road was curved. Very often the only thing you would see on these roads were the road trains (huge trucks).
There are eucalyptus forests in the Blue Mountains.
The desert is very often flat but there are sometimes strange rock formations such as Uluru and Kata Tjuta. Uluru and Kata Tjuta are sacred to the Aboriginals. They would prefer people didn't climb Uluru because it is a sacred rock.
Sometimes you see strange things in the environment such as these termite mounds:
There are also wetlands, rivers and waterfalls to be found in Australia.
There are also sandstone escarpments:
Here is a video of Murchison River Gorge:
There are lots of strange rock formations in Australia. Here are some examples from Kangaroo Island.
Here are some more from other areas in Australia:
Take a tour around The Pinnacles:
The Devil's Marbles
There are also strange rock formations and caves by the coast.