"Winter is better. You can't get nothing on a summer day. You can't get no help in the summer. I don't have no place to stay, but I sleep out here sometimes on the streets. I try to make a little money to buy me a little something to eat because I don't like eating out of trash cans. That makes me sick." Joe Rubino/Close Up Baltimore hide caption

itoggle caption Joe Rubino/Close Up Baltimore

The Weinfeld Family, 2009. Photographer Frederic Brenner, who took this photo, created This Place, an exhibit that features the work of 12 internationally acclaimed photographers in Israel and the West Bank. Frederic Brenner/Courtesy of Howard Greenberg Gallery hide caption

itoggle caption Frederic Brenner/Courtesy of Howard Greenberg Gallery

"Amanda and her Cousin Amy": Mary Ellen Mark photographed Amanda Marie Ellison, 9 (right), and Amy Minton Velasquez, 8, in Valdese, N.C., in 1990. Courtesy of Mary Ellen Mark Studio and Library hide caption

itoggle caption Courtesy of Mary Ellen Mark Studio and Library

Vanity Fair's Twitter page shows its July cover with Caitlyn Jenner. The issue and photo shoot had to be planned in secret. Mladen Antonov/AFP/Getty Images hide caption

itoggle caption Mladen Antonov/AFP/Getty Images

Rekha is one of the many caged prostitutes Mary Ellen Mark came to know as she photographed in the red-light district of Mumbai. Courtesy of Mary Ellen Mark Studio and Library hide caption

itoggle caption Courtesy of Mary Ellen Mark Studio and Library

Carrot pullers from Texas, Oklahoma, Missouri, Arkansas and Mexico. "We come from all states and we can't make a dollar in this field noways. [sic] Working from seven in the morning until twelve noon, we earn an average of thirty-five cents." California, February 1937 Dorothea Lange/Library of Congress hide caption

itoggle caption Dorothea Lange/Library of Congress

Army Spc. Jerral Hancock sits for a portrait with his son Julius. It is believed that Hancock was trapped under the wreckage of his Army tank in Iraq for half an hour before he was rescued. Courtesy of David Jay/Unknown Soldier hide caption

itoggle caption Courtesy of David Jay/Unknown Soldier

Photographer Sally Mann drives with her greyhound, Honey, in the early 2000s. Michael S. Williamson/Courtesy of Michael S. Williamson hide caption

itoggle caption Michael S. Williamson/Courtesy of Michael S. Williamson

"Question Bridge: Black Males" attempts to represent black male identity in America via a video question-and-answer exchange. At top center is Jesse Williams, the project's executive producer. Question Bridge: Black Males hide caption

itoggle caption Question Bridge: Black Males

Come out of the Bone Age, darling....1955 Courtesy of the artist and Jack Shainman Gallery, New York hide caption

itoggle caption Courtesy of the artist and Jack Shainman Gallery, New York