Australia is an enormous island in the southern hemisphere and is the world’s sixth-largest country by land area. It is famous for its natural wonders and wide open spaces, its beaches and deserts, the Great Barrier Reef, “the bush” and “the outback”. Its wildlife includes kangaroos, koalas and the duck-billed platypus as well as some of the world’s deadliest sharks, snakes, spiders and jellyfish. Australia has the longest straight stretches of road and railway track in the world and also the longest fence in the world. australia