Australia is known for its nature, sports, and fun activities. Some key facts about Australia are: - The capital is Canberra and the largest city is Sydney. - English is the national language although none are officially designated. - Iconic Australian animals include kangaroos, koalas, dingoes, and possums. Kangaroos eat plants and have two legs and a long tail to help them balance. - Famous landmarks include the Sydney Opera House, Harbour Bridge, and Uluru mountain. The Sydney Harbour Bridge opened in 1932 and carries eight road lanes, two rail tracks, and pedestrian and cycling paths.