For centuries, a single acacia tree stood as a life-saving landmark in Niger's Ténéré region of the Sahara Desert – until a ...

This is the Sahara. The largest desert on Earth! Wow! It looks like it hardly ever rains here. Incredibly, there are still plants growing here. Like this acacia tree. It has long thorns that hold ...

As you cruise through the desert ecosystem dotted with acacia trees, you'll pass by enormous rock formations, grassy valleys, ...