The United States is undoubtedly enormous, so it takes a keen geographer to work out the Mississippi from the Missouri rivers, the North Dakotas from the South Dakotas, and so on. This quiz will put your US geography knowledge to the ultimate test. At the end, you'll be told in no uncertain terms whether you've passed with flying colors, or failed miserably. Are you ready for this 15-question, brain-teasing challenge? Let's go:
