A wild stare
Female moose, Denali National Park, Alaska (© Cavan Images/Alamy)

Protecting the last great wilderness
Icebergs, Antarctica (© Art Wolfe/DanitaDelimont.com)

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Protecting the last great wilderness
Icebergs, Antarctica (© Art Wolfe/DanitaDelimont.com)

Reflecting Scotland's heritage
Kilchurn Castle reflected in Loch Awe, Argyll and Bute, Scotland (© Tom Mackie/plainpicture)

Reflecting Scotland's heritage
Kilchurn Castle reflected in Loch Awe, Argyll and Bute, Scotland (© Tom Mackie/plainpicture)

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3.4 MB

An island of time and tide
Mont-Saint-Michel, Normandy, France (© Captain Skyhigh/Getty Images)

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3.2 MB

An island of time and tide
Mont-Saint-Michel, Normandy, France (© Captain Skyhigh/Getty Images)

Stuffed with gratitude
Wild turkeys, New York (© John Cancalosi/Alamy)

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3.4 MB

Stuffed with gratitude
Wild turkeys, New York (© John Cancalosi/Alamy)

The giant's resting place
Tombeau du Géant (Giant's Tomb) in autumn, Bouillon, Belgium (© David Briard/Getty)

The giant's resting place
Tombeau du Géant (Giant's Tomb) in autumn, Bouillon, Belgium (© David Briard/Getty)

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3.5 MB

Beneath ancient olive trees
Olive grove, Valle d'Itria, Puglia, Italy (© Massimo Santi/Shutterstock)

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Beneath ancient olive trees
Olive grove, Valle d'Itria, Puglia, Italy (© Massimo Santi/Shutterstock)

Life in the wild
Masai giraffes, Amboseli National Park, Kenya (© Art Wolfe/DanitaDelimont.com)

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Life in the wild
Masai giraffes, Amboseli National Park, Kenya (© Art Wolfe/DanitaDelimont.com)

Tides and twilight
Sonoma Coast State Park, California (© Rachid Dahnoun/Tandem Stills + Motion)

Tides and twilight
Sonoma Coast State Park, California (© Rachid Dahnoun/Tandem Stills + Motion)

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3.3 MB

Nature's secret code
Spiral aloe, Kangaroo Island, Australia (© Michael Melford/Alamy)

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3.4 MB

Nature's secret code
Spiral aloe, Kangaroo Island, Australia (© Michael Melford/Alamy)

Castle on a crag
Castle of Zafra, Guadalajara province, Spain (© Eduard Gene/Getty Images)