Sony Xperia GB are teaming up with Ed Stafford and his crew of intrepid explorers to take the Xperia Z1, the world's best camera in a waterproof smartphone, to four Hidden Wonders of the World, testing its capabilities to the limit. Follow them as they post clues along the way and locate the Xperia Z1 for your chance to win a trip to one of our Hidden Wonders. This sounds like an excellent adventire and you can discover more, along with details of how to enter here.