For ten points, identify this country home to the Outback, the Great Barrier Reef, and the Sydney Opera House.
This country is home to the world's largest piece of limestone. Most of its freshwater is provided by the Great Artesian Basin. Kata Tjuta rises several thousand feet over the plains just west of a more famous sandstone rock formation in this country. The Royal Flying Doctors, which provides medical services to the central regions of this country, operate out of bases in (*) Port Augusta and Alice Springs. One island in this country used to be called Van Diemen's Land, is home to a namesake devil, and lies across the Bass Strait from its state of Victoria. For ten points, identify this country home to the Outback, the Great Barrier Reef, and the Sydney Opera House.
This country is home to the world's largest piece of limestone.
Commonwealth of Australia