Gary Bell/ Oceanwide / Surfer, Solitary Islands Marine Park, New South Wales, Australia

Gary Bell/ Oceanwide / Coastal rock arch at sunset, Bermagui, New South Wales, Australia

Gary Bell/ Oceanwide / Coconut Palm (Cocos nucifera) fruit germinating on tropical beach, Keeling Islands, Australia

Gary Bell/ Oceanwide / Coconut Palm (Cocos nucifera) fruit germinating on tropical beach, Keeling Islands, Australia

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

Colin Monteath/ Hedgehog House / Purakaunui Falls, Catlins, New Zealand

Yva Momatiuk & John Eastcott / Canoe on river in summer, Hudson River, Hudson Gorge Wilderness, New York

Norbert Wu / Palm (Arecaceae) trees on tropical island, Papua New Guinea

Jeff Foott / Maple (Acer sp) leaves and needles in autumn, Acadia National Park, Maine

Jeff Foott / Deciduous forest and pond in autumn, Jordan Pond, Mount Desert Island, Acadia National Park, Maine

Jeff Foott / Deciduous forest in autumn, Acadia National Park, Maine

Jeff Foott / Deciduous forest in autumn, Acadia National Park, Maine