Lonely Planet
Sydney to Perth by train: What to expect on one of the world’s longest train trips
The Indian Pacific train from Sydney to Perth is one of the world
200,000 sq km flat, nearly treeless plain, a rite of passage

“The Nullarbor Plain is part of the area of flat, almost treeless, arid or semi-arid country of southern Australia, located on the Great Australian Bight coast with the Great Victoria Desert to its north. It is the world's largest single exposure of limestone bedrock, and occupies an area of about…”
Lonely Planet
The Indian Pacific train from Sydney to Perth is one of the world
200,000 sq km flat, nearly treeless plain, a rite of passage