Waterfalls are undoubtedly amongst Earth’s most beautiful natural attractions. See how much you know about some of the world's most famous cascades with these multiple choice questions.

US state capitals are a staple of the quizzing circuit. Test your knowledge of this topic with these multiple choice questions...

Usually the result of weathering and erosion, unique rock formations are found all over the world - sometimes in splendid isolation and sometimes creating spectacular landscapes that stretch for miles. Test your knowledge of some of the world’s most famous rocks with these multiple choice questions...

The Caribbean’s largest island and its second most populous nation, Cuba is famed for its colourful classic cars, infectious music and legendary cigars. Test your knowledge of the country with these multiple choice questions...