Foto Markas Alien

Aurora Borealis (North Pole)

Spain Rio Tinto

McMurdo Dry Valleys (Antarctica)

The Richat Structure, near Ouadane, Mauritania

Rotorua, New Zealand

Fly Geyser, Reno

Spotted Lake, Osoyoos, British Columbia

Kauai, Hawaii

Mount Roraima (Venezuela, Brazil and Guyana)