Yva Momatiuk & John Eastcott / Mountains and glacier, Eyjafjallajokull, Valley of Thor, Iceland

Heike Odermatt / Rhyolite mountains, Landmannalaugar, Fjallabak Nature Reserve, Iceland

Rob Brown / Lake Alftavatn, Laugavegur Trail, Iceland

Rob Brown / Lake Alftavatn, Laugavegur Trail, Iceland

Rob Brown / Highlands near Mount Hrafntinnusker, Laugavegur Trail, Fjallabak Nature Reserve, South Iceland, Iceland

Jim Brandenburg / Tributaries flowing into the White River, Iceland

Richard Du Toit / African Elephant (Loxodonta africana) male and Camelthorn Acacia (Acacia erioloba), Chobe National Park, Botswana