Christophe Courteau / Pantaneiros horsemen leading cattle and horse livestock along the Transpantaneira, Pantanal, Brazil, July 2008

Christophe Courteau / Two African lion cubs (Panthera leo) playing on a road in the Kalahari Desert, Botswana.

Pete Oxford / Road runnning through rainforest, Iwokrama Rainforest Reserve, Guyana

Vincent Grafhorst / Dirt track through the grassy plains, Makgadikgadi, Botswana

John Waters / Banded Mongoose (Mungos mungo) group on the move, crossing a track at Mweya Lodge, Queen Elizabeth National Park, Uganda, E. Africa

Yva Momatiuk & John Eastcott / Grizzly Bear (Ursus arctos horribilis) pair of spring cubs, Denali National Park and Preserve, Alaska

Wild Wonders of Europe / Widstrand / Couple walking down dirt road in Sfinthu Gheorghe, Danube delta rewilding area, Romania, June 2012

Enrique Lopez-Tapia / Dirt road through Niokolo Koba National Park, Senegal, UNESCO World Heritage site.

Charlie Summers / Flap necked chameleon (Chamaeleo dilepis) crossing dirt road, Tarangire National Park, Tanzania

Theo Allofs / Red Kangaroo (Macropus rufus) on road, Queensland, Australia

Theo Allofs / Red Kangaroo (Macropus rufus) crossing dirt road, Queensland, Australia

Theo Allofs / Dirt road across savanna, Namib-Naukluft National Park, Namib Desert, Namibia