Once a month get new photos and expert tips.
Some birds depend on a tiny African lake for food and water. But they must look out for the crocodiles that lie in wait.
Wildebeests in the millions make their annual migration through East Africa.
Meet a lizard that can walk, er, run on water.
Test your knowledge! See how much you know about the world's water resources.
Learn tips from a NatGeo photographer to snap great photos.