Think you know your geography? Then try this (very addictive) interactive challenge, quizzing your knowledge of world cities and famous landmarks.
The idea is to stick a virtual pin into a map of the world, pinpointing capital cities and famous landmarks as they are chosen by the computer. Points are given for the speed of answer, and the proximity to the actual location. It starts off pretty easy with places like London and New York, but you'll soon be questioning where on earth The Democratic Republic of Sao Tome and Principe is (at least we were)...
