We have all heard about Australia, kangaroos, koalas and the magnificent landscapes, but there's much more to this vast and still quite unpopulated continent down under.
The United States with its 300 million people is in many ways still the most powerful country in the world. Find out if you are familiar with its facts and at the same time build up your general knowledge profile.
Asia is the world's largest and most populous continent. It has 49 countries and 5 disputed countries. Take this quiz and find out how good do you know capital cities of Asia.