Danube River, Romania, Europe
Ruapehu, the largest active volcano in New Zealand, is the highest point on the North Island and has three major peaks: Tahurangi (2,797 m), Te Heuheu (2,755 m) and Paretetaitonga (2,751 m). The deep, active crater is between the peaks and fills with Crater Lake between major eruptions.
The Nile is a major river in northeastern Africa. It is generally regarded as the longest river in the world.