The great holiday bird-off
Tufted titmouse perched on pine boughs, Massachusetts (© Tim Laman/NPL/Minden Pictures)

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3.5 MB

The great holiday bird-off
Tufted titmouse perched on pine boughs, Massachusetts (© Tim Laman/NPL/Minden Pictures)

Frozen reflections
Merced River, Yosemite National Park, California (© Ron and Patty Thomas/Getty Images)

Frozen reflections
Merced River, Yosemite National Park, California (© Ron and Patty Thomas/Getty Images)

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3.4 MB

The plant that paints the holidays red
Spotted poinsettia (© DigiPub/Getty Images)

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3.3 MB

The plant that paints the holidays red
Spotted poinsettia (© DigiPub/Getty Images)

Where the sky meets Earth
Summit of Mount Everest at sunset, seen from Renjo La, Nepal (© shoults/Alamy)

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3.4 MB

Where the sky meets Earth
Summit of Mount Everest at sunset, seen from Renjo La, Nepal (© shoults/Alamy)

Where cultures converge
Interior of the Mosque-Cathedral of Córdoba, Andalusia, Spain (© Elena Zolotova/Getty Images)

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3.4 MB

Where cultures converge
Interior of the Mosque-Cathedral of Córdoba, Andalusia, Spain (© Elena Zolotova/Getty Images)

Say 'cheese'… or grass
Guanaco in Punta Norte, Argentina (© Sylvain Cordier/naturepl.com)

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3.4 MB

Say 'cheese'… or grass
Guanaco in Punta Norte, Argentina (© Sylvain Cordier/naturepl.com)

All is calm, all is bright
Christmas lights in Domaso, Lake Como, Italy (© Roberto Moiola/Getty Images)

All is calm, all is bright
Christmas lights in Domaso, Lake Como, Italy (© Roberto Moiola/Getty Images)

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3.5 MB

Remembering Pearl Harbor
USS Arizona Memorial, Pearl Harbor, Honolulu, Hawaii (© Jessica O. Blackwell/APFootage/Alamy)

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3.4 MB

Remembering Pearl Harbor
USS Arizona Memorial, Pearl Harbor, Honolulu, Hawaii (© Jessica O. Blackwell/APFootage/Alamy)

Florida's living wetlands
Spider webs in Everglades National Park, Florida (© Troy Harrison/Getty Images)

Florida's living wetlands
Spider webs in Everglades National Park, Florida (© Troy Harrison/Getty Images)

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3.4 MB

The city that mapped the stars
Maya site of Copán, Honduras (© diegograndi/Getty Images)

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3.7 MB

The city that mapped the stars
Maya site of Copán, Honduras (© diegograndi/Getty Images)