Which is the world's largest single-drop waterfall by volume and among the tallest and most powerful waterfalls in the world?
A state of Australia, one of the world's biggest waterfalls, a London railway station, Africa's largest lake and a large public park in Hong Kong are all named after whom?
Which continent has the world's highest waterfall, largest river by volume, longest mountain range, driest non-polar place, largest rainforest, highest capital city, and highest commercially navigable lake?
