How many world capitals have you already visited and how many of these are European? Of course, Paris and Barcelona are wonderful places to visit or two. The only problem? Everyone else thinks so too. Maybe next time you'll think twice and go to one of the least visited countries in the world instead of a country besieged by tourists. From a Polynesian paradise to a hidden European gem, here are the seven countries with the least number of visitors, according to a World Tourism Organization survey.