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Explore Stunning Day-to-Night Photos of U.S. National Parks

Stephen Wilkes' photographs of the Grand Canyon and Yosemite National Park are literally timeless.
Photograph by Hulton Archive/Getty Images; Standing tall on the aptly named Grandeur Point, a cowboy surveys the Grand Canyon around 1935. President Theodore Roosevelt called the steep-sided gorge in Arizona “a natural wonder which is in kind absolutely unparalleled throughout the rest of the world.” 

Whether you're camping, hiking, or searching for the perfect desktop background, it's hard to beat the pure natural beauty of the American National Parks. The star-strewn sky above the Grand Canyon at night is matched only by the sun-kissed vista during the day. For National Geographic Magazine's January cover story, kicking off a year-long exploration of the parks, photographer Stephen Wilkes didn't want to choose between day and night, so he fused the two together in a stunning series of images.

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"To make the photos seen here, Wilkes selects a vista, sets up his camera and computer gear, and establishes a fixed camera angle. Based on sun directions, moon phases, weather, and more, he chooses an hour to start. He then continuously shoots thousands of images through day and night, in whatever conditions nature gives him," writes National Geographic's Patricia Edmonds. “I have zero control until the end of the process, when I have complete control,” Wilkes says.

He blends the 50 best moments from the day into one image, according to Edmonds, to create a time vector, or the direction in which the photo fades from night to day.

In March 1868 a 29-year-old John Muir stopped a passerby in San Francisco to ask for directions out of town. “Where do you wish to go?” the startled man inquired. “Anywhere that is wild,” said Muir. His journey took him to the Yosemite Valley in California’s Sierra Nevada, which became the spiritual home of Muir’s conservation movement and, under his guidance, the country’s third national park. “John the Baptist,” he wrote, “was not more eager to get all his fellow sinners into the Jordan than I to baptize all of mine in the beauty of God’s mountains.” Today around four million people a year follow their own thirst for the wild to Yosemite. © Stephen Wilkes/National Geographic 

“Today I am in the Yellowstone Park, and I wish I were dead.” So Rudyard Kipling began his 1889 account of a tour in America’s oldest national park. His disdain was aroused most by the “howling crowd” of tourists with whom he shared the visit. Attractions such as Old Faithful still draw more than three million (mostly well behaved) visitors yearly to Yellowstone; the vast majority of them never go beyond a hundred yards from a paved road. If Kipling himself had ventured deeper into the 3,472-square-mile park to witness the splendor of its river valleys and mountain meadows, his rant might well have given way to rapture. © Stephen Wilkes/National Geographic 

On an April day cherry blossoms festoon West Potomac Park, part of the National Mall and Memorial Parks in Washington, D.C. While the grand parks of the West may elicit more gasps of awe, urban parks draw far more visitors. The National Mall hosts 24 million a year, almost twice the number of Yellowstone, Yosemite, and the Grand Canyon combined. © Stephen Wilkes/National Geographic 

The Grand Canyon is the touchstone American park; whatever happens here could have repercussions throughout the park system. It has withstood threats from ranching, mining, and logging interests and a federal dam project. Today’s challenges include a proposed town development on the South Rim and a tramway that would bring 10,000 visitors a day to the canyon floor. © Stephen Wilkes/National Geographic 

Learn more on the National Geographic cover story.

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