With a year-round temperature of 32 degrees, outdoors is the place to be. The Tour Tub, Australia's only open air bus is a great way to begin exploring Darwin and its historic sites. The Australian Aviation Heritage Centre is an essential stop. See Saltwater Crocodiles aged from three months to 80 years old at Crocosaurus Cove. Don’t miss the Top End’s three major National Parks: Kakadu, Litchfield and Nitmiluk (Katherine Gorge).