Jami Tarris / Golden Eagle (Aquila chrysaetos) huntress, Altai Mountains, Bayan Ulgii, Mongolia

Martin Willis / Mangroves along coast and boat, Deluge Inlet, Hinchinbrook Island National Park, Queensland, Australia

Jeff Foott / Turret Arch in winter, La Sal Mountains, Arches National Park, Utah

Jeff Foott / Delicate Arch and the La Sal Mountains, Arches National Park, Utah

Jeff Foott / Winding road and sandstone formations, La Sal Mountains, Arches National Park, Utah

Jeff Foott / Sandstone rock formations, La Sal Mountains, Arches National Park, Utah

Colin Monteath/ Hedgehog House / Icebergs in winter in lake, Hooker Glacier, Mount Cook, Mount Cook National Park, New Zealand

David Pattyn / The Melnik Earth Pyramids, rock formations, known as hoodoos, situated at the foothills of the Pirin mountain range in south-western Bulgaria, Bulgaria, April

Jeff Foott / Mount Chephren, Banff National Park, Alberta, Canada

Jeff Foott / Mountains and river after autumn snowfall, Sunwapta River, Jasper National Park, Alberta, Canada

Jeff Foott / Bridal Veil Falls, Yosemite National Park, California

Ingo Arndt / Andean Condor (Vultur gryphus) flying near mountains, Paine Massif, Torres del Paine, Torres del Paine National Park, Patagonia, Chile