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Photos: Celebrating National Park Service’s 100th birthday

A human National Park Service logo, formed on Tuesday, Aug. 25, 2016. (Courtesy of the National Park Service)
A human National Park Service logo, formed on Tuesday, Aug. 25, 2016. (Courtesy of the National Park Service)
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A human National Park Service logo, formed on Tuesday, Aug. 25, 2016. (Courtesy of the National Park Service)
Gates of the Arctic National Park and Preserve in Alaska. (Courtesy flickr/Zak Richter, National Park Service)
Hidden Lake at Glacier National Park in Montana. (Courtesy flickr/Tim Rains, National Park Service)
Dall's sheep on steep hillside in Arctic National Park and Preserve in Alaska. (Courtesy flickr/Zak Richter, National Park Service)
Northern Lights dance across the sky in Denali National Park in Alaska. (Courtesy flickr/Katie Thoresen, National Parks Service)
Rocky Mountain National Park in Colorado. (Courtesy flickr/M. Reed, National Park Services)
The Big Bend at Zion National Park in Utah.(Courtesy flickr, Cadence C. Cook, National Parks Service)

The National Park Service celebrates its centennial this year. What better way to appreciate NPS stewardship of America’s national parks than through photos of the beauty they’ve helped preserve?

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