John Shaw / Shoreline of Lake Powell, seen from Alstrom Point on Romana Mesa. Glen Canyon National Recreation Area, on the Arizona/Utah border, USA, January.
01628046
Jack Dykinga / Morning light with autumn coloured Cottonwoods (Populus sp) trees lining the river. Valley of the Gods, Colorado Plateau, of the Great Basin Desert, Utah, USA, November 2018.
01445797
Jouan Rius / Petrified wood segment, Blue Mesa Badlands, Petrified Forest National Park, Arizona, USA, December 2012.
01604825
Sylvain Cordier / Wild horses, Monument valley tribal park, Navajo reserve, Utah, USA. April.
01589357
Jack Dykinga / South Caineville Mesa, in the Upper Blue Hills at sunset, at the junction of the Caineville Wash and the Fremont River, Utah, USA, October 2017.
01572802
Mike Read / Mont Aiguille limestone mesa in Chichilianne Isere Region, Vercors Regional Natural Park, France, June.
01572803
Mike Read / Mont Aiguille limestone mesa in Chichilianne Isere Region Vercors Regional Natural Park, France, June 2016.
01523785
Gerrit Vyn / Habitat of the Greater Sage-Grouse, Alkali Basin, this area is under threat of energy development by the Naturally Pressured Lance gas field project. Sublette County, Wyoming.
01442828
Lynn M Stone / Northern Black-Tailed Rattlesnake (Crotalus molossus molossus) Sonoran Desert, Mesa, Arizona, USA.
01442827
Lynn M Stone / Northern Black-Tailed Rattlesnake (Crotalus molossus molossus) Sonoran Desert, Mesa, Arizona, USA.
01442826
Lynn M Stone / Northern Black-Tailed Rattlesnake (Crotalus molossus molossus) Sonoran Desert, Mesa, Arizona, USA. Non-exclusive
01442825
LYNN M. STONE / Western Diamondback Rattlesnake (Crotalus atrox) second largest venomous snake in North America, Sonoran Desert, Mesa, Arizona, USA