The US is the third largest and third most populous country in the world; its geographical and cultural diversity make it a popular destination for tourists. How much do you know about the ‘Land of the Free’..?

Famous for its dramatic scenery, delicious chocolate and well documented neutrality, how much do you know about the Central European nation of Switzerland?

Mountains are a source of inspiration for artists, writers, explorers... and quizzers. But how many iconic peaks can you identify from these clues?

It's estimated that more than 80% of the Earth's surface is volcanic in origin. Test your knowledge of volcanoes with these multiple choice questions.