Mount Roraima South America

Ball's Pyramid

California coast south of Half Moon Bay.

Brecon Beacons, Wales

Delicate Arch, Arches Nation Park

Richat Structure (Eye of the Sahara)

Honokohau Falls, Maui, Hawaii

Matterhorn Mountain, Switzerland

Laguna de los Tres and Fitz Roy, Argentina

A desert in the middle of Iran. Photo by Arash Karimi

A farmer walks past a terrace of codonopsis pilosula, a traditional Chinese medicine also known as dang shen, in Min county, Gansu province

Geiranger, Norway

Chocolate Hills, Bohol, Philippines