The August 1921 issue featured a story called "The Wild Life of Lake Superior, Past and Present." Here, people explore a sandstone cave near what is now known as Pictured Rocks National Lakeshore.
PHOTOGRAPH BY GEORGE SHIRAS, NAT GEO IMAGE COLLECTION
Three-toed dinosaur fossil tracks show where Limayichnus major once roamed in southern Argentina. This picture originally appeared in the December 1997 issue, in a story following a group of paleontologists working to find Patagonia's dinosaurs.
PHOTOGRAPH BY ROBERT CLARK, NAT GEO IMAGE COLLECTION
Korean farmers, whose parents immigrated to Crimea in the 1930s, rest with their Russian workers after harvesting watermelons in the town of Krasnoperekopsk. This photo appeared in a September 1994 story titled "Crimea: Pearl of a Fallen Empire."
Former U.S. President Barack Obama snorkels in the waters off the Midway Islands in September 2016. The dive was part of his trip to celebrate the expansion of Papahānaumokuākea Marine National Monument to twice the size of Texas, making it one of the world's largest protected areas.
PHOTOGRAPH BY BRIAN SKERRY | NAT GEO IMAGE COLLECTION
Little dresses hang to dry on a line in Utuado, Puerto Rico. A March 2003 story examined the island's future, with residents speculating on pursuing U.S. statehood, independence, or remaining a commonwealth.
PHOTOGRAPH BY AMY TOENSING, NAT GEO IMAGE COLLECTIONS
On August 6, 1945, the United States dropped an atomic bomb on the Japanese city of Hiroshima, killing more than 70,000 people and injuring tens of thousands more. This picture from the August 1995 issue shows a crowd observing the event 50 years later by laying flowers in Hiroshima's Peace Memorial Park.
A lighthouse overlooks Pemaquid Point, Maine. Built in 1827, the lighthouse was home to 11 keepers over more than a hundred years before being automated in 1934.
PHOTOGRAPH BY B. ANTHONY STEWART | NAT GEO IMAGE COLLECTION
William Shakespeare's garden in Stratford Upon Avon, England, provides a colorful backdrop for a roaming white cat. It appeared in a March 1983 story tracing the history and uses of fresh herbs around the world.
An August 1999 story documented Indigenous cultures whose ways of life are vanishing. Here, a Chipaya family in Bolivia visits the grave of a family member on the eve of The Day of the Dead, praying the loved one will arise and return home to them.
PHOTOGRAPH BY MARIA STENZEL, NAT GEO IMAGE COLLECTION
A lion walks into the gritty wind in Kalahari Gemsbok National Park, South Africa. The park is one of the largest lion strongholds on the African continent, and works to protect lions from poachers.
PHOTOGRAPH BY CHRIS JOHNS, NAT GEO IMAGE COLLECTION
Sunlight glows on the impressive and gigantic Torres del Paine National Park in Chile's Patagonia. The park welcomes a quarter of a million guests every year.
PHOTOGRAPH BY MARIA STENZEL, NAT GEO IMAGE COLLECTION
In the David Sheldrick Wildlife Trust's Nairobi Elephant Nursery, Kenya, keepers protect a baby elephant from the cold and rain with a custom-made raincoat. Keepers find and rescue baby elephants whose parents have been killed by poachers, caring for them until they can be released back into the wild.
PHOTOGRAPH BY MICHAEL NICHOLS, NAT GEO IMAGE COLLECTION
In this picture from the December 1961 issue, workers in West Germany build the Berlin Wall. The wall would prevent people in East Germany from emigrating to West Germany and the rest of Western Europe—until protests resulted in the fall of the wall in 1989.
PHOTOGRAPH BY VOLKMAR WENTZEL, NAT GEO PHOTO OF THE DAY
A flap-necked chameleon stops mid-stride on a limb in Loango National Park, Gabon. Gabon's rich biodiversity is protected by 13 national parks, all founded in 2002.
PHOTOGRAPH BY MICHAEL NICHOLS, NAT GEO IMAGE COLLECTION
Artist Vincent van Gogh spent a year in a psychiatric hospital in Saint-Rémy-de-Provence, France, where he painted the landscapes he saw outside his window. Today, the hospital is still functioning, and in this photo from the October 1997 issue, a woman uses art to work through her mental illness.
PHOTOGRAPH BY LYNN JOHNSON, NAT GEO IMAGE COLLECTION
At the Kaeson Youth Park in Pyongyang, North Korea, thrill seekers strap in for a roller coaster ride. A story in the November 2017 issue documented American tourists visiting North Korea for the last time before the U.S. Department of State restricted people with American passports from traveling to or through the country.
PHOTOGRAPH BY DAVID GUTTENFELDER, NAT GEO IMAGE COLLECTION
An iridescent double rainbow arcs over the Kalalau Valley on the Hawaiian island of Kauai. The valley is part of the Nā Pali Coast, a beautiful and rugged state park.
PHOTOGRAPH BY DIANE COOK AND LEN JENSHEL, NAT GEO IMAGE COLLECTION
Civil rights activist, feminist, and educator Nannie Helen Burroughs holds a banner for the Woman's Auxiliary to the National Baptist Convention, which she helped found. This group of women, photographed circa 1910, were active in campaigning for women's right to vote.
PHOTOGRAPH BY LIBRARY OF CONGRESS, NAT GEO IMAGE COLLECTION
A story in the December 2002 issue documented native Hawaiians' connections to their traditional culture. Puna Dawson, a hula master (left), exhibits the spirit of aloha in her work helping elders at a food bank in Lihue, Kauai.
PHOTOGRAPH BY LYNN JOHNSON, NAT GEO IMAGE COLLECTION
The July 1914 issue featured 11 colorized photographs of young children at work and play in Japan. Here, a baby crawls out from under a net serving as a playpen.
PHOTOGRAPH BY ELIZA R. SCIDMORE, NAT GEO IMAGE COLLECTION