Australia is an isolated continent located between the Indian and Pacific Oceans that was once connected to other landmasses but has been separated for millions of years, resulting in unique endemic plants and animals like kangaroos and koalas. Some of Australia's most notable landmarks and attractions include the Bungle Bungle mountain ranges, the Great Barrier Reef which is the world's largest structure made by living organisms, the Devil's Marbles rock formations, and the Pinnacles in the Nambung National Park. Sydney is Australia's largest city, founded as a penal colony in 1788, and Aboriginal people have inhabited the area for thousands of years prior. Australia has a diverse array of iconic wildlife such as emus, k