The Sydney Opera House celebrated it’s 40th anniversary on October 2013 and brings more than 8.2 million people from around Australia and the world to visit it each year. So what is it that makes it such a great tourist attraction for Australia? View the below infographic for some interesting and quirky facts about our beloved Opera House. Including how many light bulbs are changed annually and what the spherical design was inspired by. If you are backpacking across Australia to see the Sydney Opera House we hope you make it up the east coast to Queensland, where you can visit us at Hervey Bay. The region is known for its amazing whale watching tours where you can go out and get ‘touching distance’ with wild humpback whales.