The document summarizes several popular attractions in Australia: The Great Barrier Reef off the coast of Queensland has beautiful coral in blue, red, green, and pink colors and is important habitat for endangered dugongs and sea turtles. The Blue Mountains in New South Wales feature the Three Sisters rock formation as well as trees and animals, and colorful sunsets. The iconic Sydney Opera House located in Sydney Harbour has a distinctive shell-like design and was designed by Jorn Utsun; it is important to performers and staff. The Australian War Memorial honors those who fought and died in wars and depicts military equipment and recreated battlefields.