All about the woods and waters
Katahdin Woods and Waters National Monument, Penobscot County, Maine (© Cavan Images/Alamy)

Preserving paradise
Sunrise over Swiftcurrent Lake, Glacier National Park, Montana (© Jason Savage/Tandem Stills + Motion)

Preserving paradise
Sunrise over Swiftcurrent Lake, Glacier National Park, Montana (© Jason Savage/Tandem Stills + Motion)

Idyllic island escape
Palmyra Atoll National Wildlife Refuge, Central Pacific Ocean (© Ian Shive/Tandem Stills + Motion)

Idyllic island escape
Palmyra Atoll National Wildlife Refuge, Central Pacific Ocean (© Ian Shive/Tandem Stills + Motion)

Life's good in the swamp!
Young black caiman, Tambopata National Reserve, Peru (© Maxime Aliaga/Minden Pictures)

Life's good in the swamp!
Young black caiman, Tambopata National Reserve, Peru (© Maxime Aliaga/Minden Pictures)

Games on
Montmartre and Sacre Cœur, Paris, France (© Tuul & Bruno Morandi/Getty Images)

Games on
Montmartre and Sacre Cœur, Paris, France (© Tuul & Bruno Morandi/Getty Images)

A Catalan cliffhanger
Castellfollit de la Roca, Catalonia, Spain (© Eloi_Omella/Getty Images)

A Catalan cliffhanger
Castellfollit de la Roca, Catalonia, Spain (© Eloi_Omella/Getty Images)

Being gentle to the giants
A whale shark in Cenderawasih Bay, West Papua, Indonesia (© Andy Lerner/Tandem Stills + Motion)

Being gentle to the giants
A whale shark in Cenderawasih Bay, West Papua, Indonesia (© Andy Lerner/Tandem Stills + Motion)

Dune days and desert haze
Rock formations and sand dunes in the Sahara, Tassili n’Ajjer, Algeria (© Airpano/Amazing Aerial Agency)

Dune days and desert haze
Rock formations and sand dunes in the Sahara, Tassili n’Ajjer, Algeria (© Airpano/Amazing Aerial Agency)

Row your boat gently down the Thames
River Thames, London, England (© Puthipong Worasaran/Getty Images)

Row your boat gently down the Thames
River Thames, London, England (© Puthipong Worasaran/Getty Images)

Workers of the world, relax
'Power of the Titans' mural by Andrei Krautsou, North Kansas City, Missouri (© Stephen Taylor/Alamy)

Workers of the world, relax
'Power of the Titans' mural by Andrei Krautsou, North Kansas City, Missouri (© Stephen Taylor/Alamy)

Unspoiled beauty for all
Crystal Lake in the Enchantments, Alpine Lakes Wilderness, Washington (© Mitch Pittman/Tandem Stills + Motion)

Unspoiled beauty for all
Crystal Lake in the Enchantments, Alpine Lakes Wilderness, Washington (© Mitch Pittman/Tandem Stills + Motion)