Under the sea
Barrier reef off the island of Grande Terre in the French overseas territory of New Caledonia (© Karsten Wrobel/Getty Images)

An ancient glacial landscape
Knuthöjdsmossen, a nature reserve in Sweden (© Sven Halling/DEEPOL/plainpicture)

An ancient glacial landscape
Knuthöjdsmossen, a nature reserve in Sweden (© Sven Halling/DEEPOL/plainpicture)

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3.5 MB

Flowing through the Smokies
Little Pigeon River, Great Smoky Mountains National Park, Tennessee (© GreenStock/Getty Images)

Flowing through the Smokies
Little Pigeon River, Great Smoky Mountains National Park, Tennessee (© GreenStock/Getty Images)

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3.1 MB

Flowing through the centuries
Miravet on the Ebro River, Tarragona, Catalonia, Spain (© Eloi_Omella/Getty Images)

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3.1 MB

Flowing through the centuries
Miravet on the Ebro River, Tarragona, Catalonia, Spain (© Eloi_Omella/Getty Images)

Otterly important
Sea otter floating in a kelp bed in Alaska Maritime National Wildlife Refuge (© Gerry Ellis/Minden Pictures)

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3.2 MB

Otterly important
Sea otter floating in a kelp bed in Alaska Maritime National Wildlife Refuge (© Gerry Ellis/Minden Pictures)

A shore thing
Mona Vale Rockpool, Sydney, Australia (© jamenpercy/Getty Images)

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3.3 MB

A shore thing
Mona Vale Rockpool, Sydney, Australia (© jamenpercy/Getty Images)

Honoring the fallen
Arlington National Cemetery in Virginia (© Dennis Govoni/Getty Images)

Honoring the fallen
Arlington National Cemetery in Virginia (© Dennis Govoni/Getty Images)

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3.3 MB

Bloom where you're planted
Butchart Gardens in Brentwood Bay, British Columbia, Canada (© 2009fotofriends/Shutterstock)

Bloom where you're planted
Butchart Gardens in Brentwood Bay, British Columbia, Canada (© 2009fotofriends/Shutterstock)

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3.4 MB

Europe's wild side
Jotunheimen National Park in Norway (© Marisa Estivill/Shutterstock)

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3.1 MB

Europe's wild side
Jotunheimen National Park in Norway (© Marisa Estivill/Shutterstock)

Shell yeah!
A Julia butterfly on the nose of a yellow-spotted river turtle, Amazon Region, Ecuador (© Westend61/Getty Images)

Shell yeah!
A Julia butterfly on the nose of a yellow-spotted river turtle, Amazon Region, Ecuador (© Westend61/Getty Images)

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3.2 MB

Baobab boulevard
Baobab trees at sunset, Avenue of the Baobabs, Madagascar (© Framalicious/Shutterstock)

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3.5 MB