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.

Rich in history and culture, Europe's capital cities are amongst the world's most visited destinations. Test your knowledge with these multiple choice questions.

Famed for its iconic architecture and romantic reputation, Paris is a vibrant, modern city that’s brimming with bistros and boutiques. Test your knowledge of the French capital with these multiple choice questions...

As well as providing drainage channels for surface water and habitats for a diverse range of creatures, rivers boast some truly amazing scenery. Test your knowledge of the world's rivers with our multiple choice questions.