Suzi Eszterhas / Pale-throated Three-toed Sloth (Bradypus tridactylus) male hanging in tree, Sloth Island, Guyana

Ingo Arndt / Fishing Spider {Ancylometes bogotensis} with fish prey, French Guyana

Ingo Arndt / Fishing spider {Ancylometes bogotensis} on water surface, French Guyana

Pete Oxford / Kaieteur Falls is the world's widest single drop waterfall, located on the Potaro river in the Kaieteur National Park, in Essequibo, Guyana, South America

Pete Oxford / Ayangaik Mountain, Pacaraima Mountains, Guyana

Pete Oxford / River in rainforest, Kaieteur Falls, Potaro River, Kaieteur National Park, Guyana

Pete Oxford / Blue tailing ponds left from bauxite mine, Linden, Guyana

Pete Oxford / Clouds between tepuis, Mount Roraima, Pacaraima Mountains, Guyana

Pete Oxford / Coastal wetland, Abari Swamps, Guyana

Pete Oxford / Potaro River cutting through Kaieteur Gorge, Kaieteur National Park, Guyana

Pete Oxford / Kaieteur Falls, Potaro River, Kaieteur National Park, Guyana

Pete Oxford / Kaieteur Falls where the Potaro River runs into the Essequibo River, Kaieteur National Park, Guyana