Eric Baccega / Grizzly bear (Ursus arctos horribilis) catching salmon in Brooks river, Katmai National Park, Alaska, USA, July

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

Shane P. White / Diamond Falls, Soufriere, Saint Lucia, Caribbean

Jeff Foott / Sunwapta Falls, Sunwapta River, Jasper National Park, Alberta, Canada

Jeff Foott / Sunwapta Falls, Sunwapta River, Jasper National Park, Alberta, Canada

Jeff Foott / Waterfall after autumn snowfall, Tangle Creek Falls, Jasper National Park, Alberta, Canada

Jeff Foott / Waterfall after autumn snowfall, Tangle Creek Falls, Jasper National Park, Alberta, Canada

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

Jeff Foott / Waterfall in winter, Horsetail Fall, Yosemite National Park, California

Jeff Foott / Waterfall in winter, Lower Yosemite Falls, Yosemite National Park, California

Chase Dekker / Seljalandsfoss Waterfall, Iceland

Chase Dekker / Waterfall reflected in flooded meadow, Yosemite Falls, Yosemite National Park, California