Its impressive formations might make you think you're walking on the moon. Scientists have even tested prototype robots for Mars due to its dry terrain. If you go on the tour, you'll visit some impressive salt caves which for only two weeks of the year get flooded...

When in Chile, chances are you'll be popping over to the Atacama Desert. One of the driest places on earth there's a whole array of things to do and see. Many will involve tours but if you're willing to brave the heat, there's so much you can do just from renting a bike...