Kids Touching, 1940s. Joe Schwartz/Courtesy of the Smithsonian National Museum of African American History and Culture hide caption
President Obama and first lady Michelle Obama have selected Jackson Park on Chicago's South Side to build President Barack Obama's presidential library near the University of Chicago, where Obama once taught constitutional law. Paul Beaty/AP hide caption
Fish are removed from the New York Aquarium in 1941, which is to be demolished as part of the construction work and improvement for the Battery-Brooklyn Tunnel in New York City. Associated Press hide caption
Author Walter Mosley with his father, Leroy Mosley. Courtesy of Walter Mosley hide caption
Pope Francis walks through the entrance to the site Auschwitz concentration camp in what was Nazi-occupied Poland. Janek Skarzynski /AFP/Getty Images hide caption
A clear toy donkey in blue will join elephants in red on the shelves at Shane Confectionery during the Democratic National Convention. Emma Lee/WHYY hide caption
A typical Native American oyster deposit, or midden, dating to about 1,000 years ago. Archaeologists are finding clues to sustainable oysters harvesting in these remains. Torben Rick/Smithsonian Institution hide caption
Chief David Beautiful Bald Eagle during the opening of the Days of '76 Museum in Deadwood, S.D. Bald Eagle died on Friday at the age of 97. Tom Griffith/Rapid City Journal via AP hide caption
David Bald Eagle, Lakota Chief, Musician, Cowboy And Actor, Dies At 97
A drawing of the first White House designed by architect James Hoban, who won the competition to design the president's new house in 1792. Building began that year and ended in 1800. AP hide caption
U.S. President Bill Clinton, right, reacts as former President Ronald Reagan presents him with a jar of red, white and blue jelly beans. J. Scott Applewhite/AP hide caption
Helen Gurley Brown in her office at Cosmopolitan magazine in the 1960s .The legendary editor, subject of two new biographies, knew sex sells – and food brings in ad money. She cannily combined them with features like "After Bed, What? (a light snack for an encore)." Santi Visalli/Getty Images hide caption
"Nobody can soldier without coffee," a Union soldier wrote in 1865. (Above) Union soldiers sit with their coffee in tin cups, their hard-tack, and a kettle at their feet. Lincoln Financial Foundation Collection/Flickr The Commons hide caption