Tail to top adventure is guaranteed on this epic Adelaide to Darwin tour, with an itinerary of extremes showcasing the country’s colours. First, the greens of South Australia’s wine regions; the eye-popping striations of Wilpena Pound; Coober Pedy’s lustrous opals; the Red Centre’s warmth. Finally, the crystal waterfalls of Katherine and Kakadu’s emerald hues await. Bring your sunglasses.