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10 unforgettable desert adventures

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Simpson Desert, Australia

Australia's interior regions are dominated by desert. The Simpson Desert is arguably the most accessible and unique of these lands. Much of the region is sheer wilderness, dotted by only a few small Aboriginal villages. Dunes and endless shrublands characterize this stark but beautiful place. The world's longest parallel sand dunes (well more than 100 miles in length) are located in the Simpson. Tours generally follow well-traveled but rugged driving tracks.  Guides are all but required here, since getting lost or running out of fuel could have fatal consequences.