Westerly winds from the Atlantic Ocean carry moisture into the region, but the Atlas Mountains act as a weather barrier between coastal grasslands and wetlands and the Sahara Desert.
The Grand Canyon is one of the best known natural wonders on Earth, but astronauts see very different patterns compared with the iconic ground-based views.
As NASA's latest care package heads toward the International Space Station, it traveled over beautiful Earth landscapes—from scenic snowscapes to desolate deserts.