Once no more than a faint orange dot in the sky, in the space of less than a century Mars has become a keen focus of study. Its ancient river beds, outflow channels and giant volcanoes appeal to the explorer in us. It’s easy to imagine it as Earth’s twin billions of years ago. Feeling adventurous? If so, we invite you on a voyage of discovery to mighty and majestic places that may once have harboured life… and where we dream of one day setting foot.