When people think of Australia, the iconic images of kangaroos, koalas, and the Sydney Opera House generally spring to mind. However, it's such a vast country that of course, there is far more than just that to do, so here’s a brief snapshot of what’s going on where.Sydney is particularly well known for its harbour, bridge and opera house, and for good reason. The iconic Sydney Opera House is one of the most recognisable buildings in the world, and you can get some great pictures of its brilliant curves from a cruise on the harbour that would be sure to impress all your friends back home. You can also take a backstage tour of the opera house and visit the orchestra pit, peek into the dressing rooms and, if you’re lucky, hear all of the backstage gossip.For those looking for plenty of excitement, a climb up the Sydney Harbour Bridge is bound to get anyone’s adrenaline pumping. You can do it during the day, or at night where you can be a part of the bobbing procession of head torches as you make your way to the summit.There is something innately magical about Uluru, or as it’s more popularly known, Ayers Rock. Located in the Northern Territory and surrounded by dry red desert, its sheer enormity is staggering and its presence is unique. Deeply ingrained in Australia’s ancient history, Uluru is surrounded by myth and legend and only once you have stood beneath it and gazed up at it, can you truly appreciate it.Queensland not only has the brilliant surf of the Gold Coast and the simply stunning river city of Brisbane but is also home to Australia Zoo, made famous by the enigmatic Steve Irwin and his Crocodile Diaries. Though tragically Steve is no longer with us, the Zoo continues to flourish under the care of his family and is a must-see for any fan of his excitement and passion for looking after the animals of Australia and the world.The Great Barrier Reef and its myriad of islands is one of the most popular spots in Australia. Only a few islands have resorts on them and the rest are peaceful and pristine, scattered across azure waters. The reef itself is the largest in the world; the largest single structure created by living organisms and can even be seen from space. Whilst there you can cruise around the reef, go snorkelling, diving or even try out a semi submersible. There are glass bottomed boats and underwater observatories also available for those who’d rather stay out of the water, but still witness the bright flickering array of fish, coral, and other marine life. But don’t think this is all Australia has to offer, you can soar over Melbourne in a hot air balloon, spot dolphins near Perth, visit the Lone Pine Koala Sanctuary in Melbourne or enjoy a whole host of other exciting opportunities on your Australia holidays .