Ounianga Lake, Ennedi, Chad

Prehistoric Lake Chad in the Sahara desert. In these lakes live the last crocodiles of the Sahara.

Namib Naukluft Desert, Namibia

Google Earth Coordinates: 24°6’59.94″S, 15°24’3.48″E
The Namib Desert is said to be the oldest in the world, and its age is manifested in the deep orange color of the sand. It took millions of years for every grain of white beach sand to become so thoroughly oxidized.

Pools of Evaporating Salty Mud, Teguidda n’Tessoumt, Niger

Google Earth Coordinates: 17°25’44.62″N, 6°38’36.90″E
Water is mixed with salty soil to produce slurries of different colors. The color is dependent on the color of the mud as well as the amount of salt that has hardened on the surface.

The Badlands Guardian, Walsh, Alberta, Canada

Google Earth Coordinates: 50° 0’38.20?N 110° 6’48.32?W
Viewed from the air, the feature bears a strong resemblance to a human head wearing a full First Nations headdress.

Barringer Meteor Crater, Winslow, Arizona

Google Earth Coordinates: 35.027185, -111.022388
Fifty thousand years ago, a giant fireball streaked across the North American sky. It struck the earth in what is now northern Arizona, exploding with the force of 2 ½ million tons of TNT.