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.

The second largest country in the world by area, Canada is known for its rugged coastline and impressive mountain scenery. How much do you know about this fascinating country?

Austria, at the heart of Europe, is perhaps best known for its dramatic alpine scenery and classical music heritage. Test your knowledge of this beautiful, landlocked nation with our multiple choice questions...

How much do you know about the fascinating European country of Poland? Test your knowledge with these multiple choice questions.