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)
Gates of the Arctic National Park and Preserve in Alaska. (Courtesy flickr/Zak Richter, 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)
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)
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)
Northern Lights dance across the sky in Denali National Park in Alaska. (Courtesy flickr/Katie Thoresen, National Park Service)
Rocky Mountain National Park in Colorado. (Courtesy flickr/M. Reed, National Park Services)
Rocky Mountain National Park in Colorado. (Courtesy flickr/M. Reed, National Park Service)
The Big Bend at Zion National Park in Utah.(Courtesy flickr, Cadence C. Cook, National Parks Service)
The Big Bend at Zion National Park in Utah. (Courtesy flickr, Cadence C. Cook, National Park Service)
A shot of the Grand Canyon National Park in Arizona. (Courtesy flickr, M. Quinn, National Parks Service)
A shot of the Grand Canyon National Park in Arizona. (Courtesy flickr/ M. Quinn, National Park Service)
A full moon rises over the mountains in Denali National Park in Alaska.(Courtesy flickr/Katie Thoresen, National Parks Service)
A full moon rises over the mountains in Denali National Park in Alaska. (Courtesy flickr/Katie Thoresen, National Park Service)
The Big Bend at Zion National Park in Utah.(Courtesy flickr, Cadence C. Cook, National Parks Service)
The Big Bend at Zion National Park in Utah. (Courtesy flickr, Cadence C. Cook, National Park Service)
Autumn hits Oak Creek at Zion National Park in Utah. (Courtesy flickr, Cadence C. Cook, National Parks Service)
Autumn hits Oak Creek at Zion National Park in Utah. (Courtesy flickr, Cadence C. Cook, National Park Service)
Glowing Aspen in Glacier National Park in Montana. (Courtesy flickr/National Park Service)
Glowing Aspen in Glacier National Park in Montana. (Courtesy flickr/National Park Service)
Mount Rainier and Nisqually Glacier at dusk in Mount Rainier National Park in Washington. (Courtesy flickr/National Park Service)
Mount Rainier and Nisqually Glacier at dusk in Mount Rainier National Park in Washington. (Courtesy flickr/National Park Service)
Visitors viewing the inversion from Hopi Point along Hermit Road on the South Rim of Grand Canyon National Park in Arizona. (Courtesy flickr/M. Quinn, National Parks Service)
Visitors viewing the inversion from Hopi Point along Hermit Road on the South Rim of Grand Canyon National Park in Arizona. (Courtesy flickr/M. Quinn, National Park Service)
A photo taken on a clear, cold and windy New Year's Day 2016 on the Grand Canyon. This view is from the Hermit Road Shuttle Bus Transfer Station, just west of Grand Canyon Village. (Courtesy flickr/M. Quinn, National Park Service)
A photo taken on a clear, cold and windy New Year’s Day 2016 on the Grand Canyon. This view is from the Hermit Road Shuttle Bus Transfer Station, just west of Grand Canyon Village. (Courtesy flickr/M. Quinn, National Park Service)
The treeless slopes of the Arctic Divide near the Nunamuit village of Anaktuvuk Pass. Gates of the Arctic National Park and Preserve. (Courtesy flickr/Sean Tevebaugh, National Park Service)
The treeless slopes of the Arctic Divide near the Nunamuit village of Anaktuvuk Pass. Gates of the Arctic National Park and Preserve in Alaska. (Courtesy flickr/Sean Tevebaugh, National Park Service)
Waterfalls along the Aqueduct in an Alaskan National Park (Courtesy flickr/Jacob W. Frank, National Park Service)
Waterfalls along the aqueduct in an Alaskan National Park. (Courtesy flickr/Jacob W. Frank, National Park Service)
Kolob Canyons at Zion National Park in Utah. (Courtesy flickr/Cadence C. Cook, National Parks Service)
Kolob Canyons at Zion National Park in Utah. (Courtesy flickr/Cadence C. Cook, National Park Service)
Dall's sheep foraging on lichen in Arctic National Park in Alaska. (Courtesy flickr/Zak Richter, National Park Service)
Dall’s sheep foraging on lichen in Arctic National Park in Alaska. (Courtesy flickr/Zak Richter, National Park Service)
Mountain range sunset view at Glacier National Park (Courtesy flickr/Tim Rains, National Park Service)
Mountain range sunset view in Glacier National Park (Courtesy flickr/Tim Rains, National Park Service)
Preston Park, part of Glacier National Park in Montana (Courtesy flickr/Tim Rains, National Park Service)
Preston Park, part of Glacier National Park in Montana. (Courtesy flickr/Tim Rains, National Park Service)
Snoozing sea otter in Kenai Fjords National Park in Alaska. (Courtesy flickr/National Park Service)
Snoozing sea otter in Kenai Fjords National Park in Alaska. (Courtesy flickr/National Park Service)
Siyeh Pass Trail in Glacier National Park in Montana. (Courtesy flickr/Tim Rains, National Park Service
Siyeh Pass Trail in Glacier National Park in Montana. (Courtesy flickr/Tim Rains, National Park Service)
Lake McDonald of Glacier National Park in Montana. (Courtesy flickr/Jacob W. Frank, National Park Service)
Lake McDonald of Glacier National Park in Montana. (Courtesy flickr/Jacob W. Frank, National Park Service)
A photo of Glacier National Park in Montana. (Courtesy flickr/Jacob W. Frank, National Park Service)
A photo of Glacier National Park in Montana. (Courtesy flickr/Jacob W. Frank, National Park Service)
St. Mary Falls in Glacier National Park in Montana. (Courtesy flickr/Tim Rains, National Park Service)
St. Mary Falls in Glacier National Park in Montana. (Courtesy flickr/Tim Rains, National Park Service)
Saint Mary Lake Sunset at Glacier National Park in Montana. (Courtesy flickr/Jacob W. Frank)
Saint Mary Lake Sunset at Glacier National Park in Montana. (Courtesy flickr/Jacob W. Frank, National Park Service)
Glaciers at the Denali National Park and Preserve in Alaska. (Courtesy flickr/National Park Service)
Glaciers at the Denali National Park and Preserve in Alaska. (Courtesy flickr/National Park Service)
Wildflowers (Stenotus acaulis, cushion goldenweed) on Blacktail Deer Plateau in Yellowstone National Park. (Courtesy flickr/Neal Herbert, National Park Service)
Wildflowers (Stenotus acaulis, cushion goldenweed) on Blacktail Deer Plateau in Yellowstone National Park. (Courtesy flickr/Neal Herbert, National Park Service)
Kenai Fjords National Park in Alaska. (Courtesy flickr/National Park Service)
Kenai Fjords National Park in Alaska. (Courtesy flickr/National Park Service)
Dall's sheep at an Alaska National Park (Courtesy flickr/National Park Service)
Dall’s sheep at an Alaska National Park (Courtesy flickr/National Park Service)
BRYCE CANYON NATIONAL PARK, UT - AUGUST 12:  Visitors walk on switchbacks on the Navajo Loop Trail through fin rock formations on August 12, 2016 in Bryce Canyon National Park, Utah.  (Photo by Ethan Miller/Getty Images)
BRYCE CANYON NATIONAL PARK, UT – AUGUST 12: Visitors walk on switchbacks on the Navajo Loop Trail through fin rock formations on August 12, 2016 in Bryce Canyon National Park, Utah. (Photo by Ethan Miller/Getty Images)
BRYCE CANYON NATIONAL PARK, UT - AUGUST 12:  Bristlecone Point is illuminated by the setting sun above hoodoos viewed from Sunset Point overlooking Bryce Amphitheater on August 12, 2016 in Bryce Canyon National Park, Utah.  (Photo by Ethan Miller/Getty Images)
BRYCE CANYON NATIONAL PARK, UT – AUGUST 12: Bristlecone Point is illuminated by the setting sun above hoodoos viewed from Sunset Point overlooking Bryce Amphitheater on August 12, 2016 in Bryce Canyon National Park, Utah. (Photo by Ethan Miller/Getty Images)
YOSEMITE NTL PARK, CA - JUNE 18: El Capitan above the Merced River on June 18, 2016 in Yosemite National Park, California. President Barack Obama spoke to a crowd at Yosemite marking the centennial of the National Park Service which began on August 25, 1916. (Photo by David Calvert/Getty Images)
YOSEMITE NTL PARK, CA – JUNE 18: El Capitan above the Merced River on June 18, 2016 in Yosemite National Park, California. President Barack Obama spoke to a crowd at Yosemite marking the centennial of the National Park Service which began on August 25, 1916. (Photo by David Calvert/Getty Images)
CHICAGO, IL - JUNE 11:  The Treme Brass Band performs at the National Park Service Centennial Event at Washington Park on June 11, 2016 in Chicago, Illinois.  (Photo by Timothy Hiatt/Getty Images for the National Park Foundation)
CHICAGO, IL – JUNE 11: The Treme Brass Band performs at the National Park Service Centennial Event at Washington Park on June 11, 2016 in Chicago, Illinois. (Photo by Timothy Hiatt/Getty Images for the National Park Foundation)
CHICAGO, IL - JUNE 11:  General atmosphere of the National Park Service Centennial Event at Washington Park on June 11, 2016 in Chicago, Illinois.  (Photo by Timothy Hiatt/Getty Images for the National Park Foundation)
CHICAGO, IL – JUNE 11: General atmosphere of the National Park Service Centennial Event at Washington Park on June 11, 2016 in Chicago, Illinois. (Photo by Timothy Hiatt/Getty Images for the National Park Foundation)
CHICAGO, IL - JUNE 11:  Chicago's Hypnotic Brass Ensemble performs at the National Park Service Centennial Event at Washington Park on June 11, 2016 in Chicago, Illinois.  (Photo by Timothy Hiatt/Getty Images for the National Park Foundation)
CHICAGO, IL – JUNE 11: Chicago’s Hypnotic Brass Ensemble performs at the National Park Service Centennial Event at Washington Park on June 11, 2016 in Chicago, Illinois. (Photo by Timothy Hiatt/Getty Images for the National Park Foundation)
YOSEMITE NTL PARK, CA - JUNE 18: Half dome at seen from the east on June 18, 2016 in Yosemite National Park, California. President Barack Obama spoke to a crowd at Yosemite marking the centennial of the National Park Service which began on August 25, 1916. (Photo by David Calvert/Getty Images)
YOSEMITE NTL PARK, CA – JUNE 18: Half dome at seen from the east on June 18, 2016 in Yosemite National Park, California. President Barack Obama spoke to a crowd at Yosemite marking the centennial of the National Park Service which began on August 25, 1916. (Photo by David Calvert/Getty Images)
YOSEMITE NTL PARK, CA - JUNE 18:  President Barack Obama speaks in front of Cook's Meadow and Yosemite Falls on June 18, 2016 in Yosemite National Park, California. Obama is marking the centennial of the National Park Service which began on August 25, 1916. (Photo by David Calvert/Getty Images)
YOSEMITE NTL PARK, CA – JUNE 18: President Barack Obama speaks in front of Cook’s Meadow and Yosemite Falls on June 18, 2016 in Yosemite National Park, California. Obama is marking the centennial of the National Park Service which began on August 25, 1916. (Photo by David Calvert/Getty Images)
CHICAGO, IL - JUNE 11: Common and members of the National Park Service attend the National Park Service Centennial Event at Washington Park on June 11, 2016 in Chicago, Illinois.  (Photo by Timothy Hiatt/Getty Images for the National Park Foundation)
CHICAGO, IL – JUNE 11: Common and members of the National Park Service attend the National Park Service Centennial Event at Washington Park on June 11, 2016 in Chicago, Illinois. (Photo by Timothy Hiatt/Getty Images for the National Park Foundation)
NEW YORK, NY - AUGUST 22: A view of New York City skyline during the National Park Foundation's #FindYourPark event, celebrating the National Park Service's centennial at Brooklyn Bridge Park on August 22, 2016 in New York City.  (Photo by Neilson Barnard/Getty Images for National Park Service)
NEW YORK, NY – AUGUST 22: A view of New York City skyline during the National Park Foundation’s #FindYourPark event, celebrating the National Park Service’s centennial at Brooklyn Bridge Park on August 22, 2016 in New York City. (Photo by Neilson Barnard/Getty Images for National Park Service)
CHICAGO, IL - JUNE 11:  General atmosphere of the National Park Service Centennial Event at Washington Park on June 11, 2016 in Chicago, Illinois.  (Photo by Timothy Hiatt/Getty Images for the National Park Foundation)
CHICAGO, IL – JUNE 11: General atmosphere of the National Park Service Centennial Event at Washington Park on June 11, 2016 in Chicago, Illinois. (Photo by Timothy Hiatt/Getty Images for the National Park Foundation)
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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)
A shot of the Grand Canyon National Park in Arizona. (Courtesy flickr, M. Quinn, National Parks Service)
A full moon rises over the mountains in Denali National Park in Alaska.(Courtesy flickr/Katie Thoresen, National Parks Service)
The Big Bend at Zion National Park in Utah.(Courtesy flickr, Cadence C. Cook, National Parks Service)
Autumn hits Oak Creek at Zion National Park in Utah. (Courtesy flickr, Cadence C. Cook, National Parks Service)
Glowing Aspen in Glacier National Park in Montana. (Courtesy flickr/National Park Service)
Mount Rainier and Nisqually Glacier at dusk in Mount Rainier National Park in Washington. (Courtesy flickr/National Park Service)
Visitors viewing the inversion from Hopi Point along Hermit Road on the South Rim of Grand Canyon National Park in Arizona. (Courtesy flickr/M. Quinn, National Parks Service)
A photo taken on a clear, cold and windy New Year's Day 2016 on the Grand Canyon. This view is from the Hermit Road Shuttle Bus Transfer Station, just west of Grand Canyon Village. (Courtesy flickr/M. Quinn, National Park Service)
The treeless slopes of the Arctic Divide near the Nunamuit village of Anaktuvuk Pass. Gates of the Arctic National Park and Preserve. (Courtesy flickr/Sean Tevebaugh, National Park Service)
Waterfalls along the Aqueduct in an Alaskan National Park (Courtesy flickr/Jacob W. Frank, National Park Service)
Kolob Canyons at Zion National Park in Utah. (Courtesy flickr/Cadence C. Cook, National Parks Service)
Dall's sheep foraging on lichen in Arctic National Park in Alaska. (Courtesy flickr/Zak Richter, National Park Service)
Mountain range sunset view at Glacier National Park (Courtesy flickr/Tim Rains, National Park Service)
Preston Park, part of Glacier National Park in Montana (Courtesy flickr/Tim Rains, National Park Service)
Snoozing sea otter in Kenai Fjords National Park in Alaska. (Courtesy flickr/National Park Service)
Siyeh Pass Trail in Glacier National Park in Montana. (Courtesy flickr/Tim Rains, National Park Service
Lake McDonald of Glacier National Park in Montana. (Courtesy flickr/Jacob W. Frank, National Park Service)
A photo of Glacier National Park in Montana. (Courtesy flickr/Jacob W. Frank, National Park Service)
St. Mary Falls in Glacier National Park in Montana. (Courtesy flickr/Tim Rains, National Park Service)
Saint Mary Lake Sunset at Glacier National Park in Montana. (Courtesy flickr/Jacob W. Frank)
Glaciers at the Denali National Park and Preserve in Alaska. (Courtesy flickr/National Park Service)
Wildflowers (Stenotus acaulis, cushion goldenweed) on Blacktail Deer Plateau in Yellowstone National Park. (Courtesy flickr/Neal Herbert, National Park Service)
Kenai Fjords National Park in Alaska. (Courtesy flickr/National Park Service)
Dall's sheep at an Alaska National Park (Courtesy flickr/National Park Service)
BRYCE CANYON NATIONAL PARK, UT - AUGUST 12:  Visitors walk on switchbacks on the Navajo Loop Trail through fin rock formations on August 12, 2016 in Bryce Canyon National Park, Utah.  (Photo by Ethan Miller/Getty Images)
BRYCE CANYON NATIONAL PARK, UT - AUGUST 12:  Bristlecone Point is illuminated by the setting sun above hoodoos viewed from Sunset Point overlooking Bryce Amphitheater on August 12, 2016 in Bryce Canyon National Park, Utah.  (Photo by Ethan Miller/Getty Images)
YOSEMITE NTL PARK, CA - JUNE 18: El Capitan above the Merced River on June 18, 2016 in Yosemite National Park, California. President Barack Obama spoke to a crowd at Yosemite marking the centennial of the National Park Service which began on August 25, 1916. (Photo by David Calvert/Getty Images)
CHICAGO, IL - JUNE 11:  The Treme Brass Band performs at the National Park Service Centennial Event at Washington Park on June 11, 2016 in Chicago, Illinois.  (Photo by Timothy Hiatt/Getty Images for the National Park Foundation)
CHICAGO, IL - JUNE 11:  General atmosphere of the National Park Service Centennial Event at Washington Park on June 11, 2016 in Chicago, Illinois.  (Photo by Timothy Hiatt/Getty Images for the National Park Foundation)
CHICAGO, IL - JUNE 11:  Chicago's Hypnotic Brass Ensemble performs at the National Park Service Centennial Event at Washington Park on June 11, 2016 in Chicago, Illinois.  (Photo by Timothy Hiatt/Getty Images for the National Park Foundation)
YOSEMITE NTL PARK, CA - JUNE 18: Half dome at seen from the east on June 18, 2016 in Yosemite National Park, California. President Barack Obama spoke to a crowd at Yosemite marking the centennial of the National Park Service which began on August 25, 1916. (Photo by David Calvert/Getty Images)
YOSEMITE NTL PARK, CA - JUNE 18:  President Barack Obama speaks in front of Cook's Meadow and Yosemite Falls on June 18, 2016 in Yosemite National Park, California. Obama is marking the centennial of the National Park Service which began on August 25, 1916. (Photo by David Calvert/Getty Images)
CHICAGO, IL - JUNE 11: Common and members of the National Park Service attend the National Park Service Centennial Event at Washington Park on June 11, 2016 in Chicago, Illinois.  (Photo by Timothy Hiatt/Getty Images for the National Park Foundation)
NEW YORK, NY - AUGUST 22: A view of New York City skyline during the National Park Foundation's #FindYourPark event, celebrating the National Park Service's centennial at Brooklyn Bridge Park on August 22, 2016 in New York City.  (Photo by Neilson Barnard/Getty Images for National Park Service)
CHICAGO, IL - JUNE 11:  General atmosphere of the National Park Service Centennial Event at Washington Park on June 11, 2016 in Chicago, Illinois.  (Photo by Timothy Hiatt/Getty Images for the National Park Foundation)

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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