Struth photographed Britain's Queen Elizabeth and Prince Philip in 2011. "They were actually quite nice together," he says of the experience. (Pictured: Queen Elizabeth II and The Duke of Edinburgh, Windsor Castle 2011) Thomas Struth/Promised Gift to the National Gallery of Art from the Collection of Robert E. Meyerhoff and Rheda Becker hide caption
Children's photos that parents have posted online have ended up in advertisements and on pornography sites. Cultura RF/Getty Images hide caption
Vine has produced some young stars, including Japanese artist Hayatto Noguchi, who used the social network as a career springboard. Eugene Hoshiko/AP hide caption
A lighthouse built in 1858 stands on Loggerhead Key, Fla., an uninhabited tropical island. Artists Paula Sprenger and Carter McCormick participated in a monthlong artist residency here. Courtesy of Paula Sprenger and Carter McCormick hide caption
A snowy owl looks very content in the Canadian province of Ontario. Edward Kopeschny/Barcroft Media hide caption
Eunice, pictured above, is one of the workshop participants: "Today I learned a girl can do anything — that a boy and girl are equal, no one is more special, and I am happy about it. I am happy that the new things I learned today [are] to be confident and be powerful." Mercy/Too Young To Wed/Samburu Girls Foundation hide caption
Fati Abubakar takes her camera and goes searching for bitsofborno — people who show how life goes on in the troubled northeast of Nigeria. Ofeibea Quist-Arcton/NPR hide caption
Toledano on set, being made up for one of his fates. Stephen T. Maing hide caption
Der ligger en lille ø midt i den gamle havn i Kangeq. John W. Poole/NPR hide caption
Gloria, 13, of Oaxaca, Mexico, holds a duck at home. Sexually abused by her father, she became a mother at the age of 12. Christian RodrÃÂguez/Getty Images Instagram Grant Recipient 2016 hide caption
"The Soiling of Old Glory" was taken on April 5, 1976, during the Boston busing desegregation protests. Stanley Forman/Boston Herald American hide caption
This is a June 8, 1972, file photo of South Vietnamese forces following after terrified children, including 9-year-old Kim Phuc (center). The Pulitzer Prize-winning image is at the center of a heated debate about freedom of speech in Norway after Facebook deleted it from a Norwegian author's page. Nick Ut/AP hide caption
A photo of apartment buildings near NPR headquarters in Washington, D.C., that was run through the Prisma app's "wave" filter. Alina Selyukh/NPR hide caption
Hilton Pray, 82, holds one of thousands of his photographs that were damaged after an estimated 4-feet of water filled his home in Denham Springs, La. Collin Richie/Humans of the Water hide caption