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.

Some of our greatest feats of engineering are the structures that span rivers and bays across the globe. How much do you know about the world's most famous bridges?

How much do you know about the world's airports? Put your knowledge to the test with these multiple choice questions...

From luxury hotels on rails to simple, scenic meanderings through landscapes of high peaks, crystal clear lakes and dense jungle, there is no better way to travel than by train. Test your knowledge of some of the world’s most famous train journeys with these multiple choice questions...