Testing the future of flight
NASA's Langley Research Center mounted the Navy's Brewster XF2A-1 Buffalo in the Full-Scale Tunnel, 1938, Hampton, Virginia (© NASA)

Testing the future of flight
NASA's Langley Research Center mounted the Navy's Brewster XF2A-1 Buffalo in the Full-Scale Tunnel, 1938, Hampton, Virginia (© NASA)

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2.8 MB

Geometry of a star city
Aerial view of Palmanova, a fortress city in Friuli, Italy (© Riccardo Saponi/Getty Images)

Geometry of a star city
Aerial view of Palmanova, a fortress city in Friuli, Italy (© Riccardo Saponi/Getty Images)

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3.5 MB

A prime 'reef' estate
Three false clownfish in a sea anemone, Cabilao Island, Bohol, Philippines (© Franco Banfi/Nature Picture Library)

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3.6 MB

A prime 'reef' estate
Three false clownfish in a sea anemone, Cabilao Island, Bohol, Philippines (© Franco Banfi/Nature Picture Library)

Where swans started a legend
Ruins of Ross Errilly Friary, County Galway, Ireland (© Maria Janus/Shutterstock)

Where swans started a legend
Ruins of Ross Errilly Friary, County Galway, Ireland (© Maria Janus/Shutterstock)

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3.6 MB

The great balancing act
Hoodoos in Ah Shi Sle Pah Wilderness in San Juan County, New Mexico (© Westend61/Getty Images)

The great balancing act
Hoodoos in Ah Shi Sle Pah Wilderness in San Juan County, New Mexico (© Westend61/Getty Images)

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3.6 MB

Built for paws, not people
Aerial view of a wildlife crossing near Zakrzów, Poland (© bbsferrari/Getty Images)

Built for paws, not people
Aerial view of a wildlife crossing near Zakrzów, Poland (© bbsferrari/Getty Images)

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3.6 MB

Make a wish
Perseid meteors over Teide Observatory, Tenerife, Spain (© Westend61/Getty Images)

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3.5 MB

Make a wish
Perseid meteors over Teide Observatory, Tenerife, Spain (© Westend61/Getty Images)

Giants worth protecting
A group of elephants, Amboseli National Park, Kenya (© Ibrahim Suha Derbent/Getty Images)

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3.6 MB

Giants worth protecting
A group of elephants, Amboseli National Park, Kenya (© Ibrahim Suha Derbent/Getty Images)

Copenhagen in full color
Colorful homes line Nyhavn Canal, Copenhagen, Denmark (© emicristea/Getty Images)

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3.4 MB

Copenhagen in full color
Colorful homes line Nyhavn Canal, Copenhagen, Denmark (© emicristea/Getty Images)

Where two deserts collide
Joshua Tree National Park, California (© JJ Landscapes/Getty Images)

Where two deserts collide
Joshua Tree National Park, California (© JJ Landscapes/Getty Images)

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3.6 MB