Strung together into a short video, images of the construction of the Library of Congress in the late 19th century illustrate a nation's commitment to knowledge.
NPR's Kelly McEvers talks to photojournalist Yunghi Kim who has taken copyright fees from her photographs and created small grants for other photographers.
Greg Constantine has spent 10 years documenting the world's stateless people. They live without passports, without ID cards, without dignity — but not without hope.
Abbas became interested in religion while covering the Iranian Revolution. "I could see that the waves of passion [that were] raised by the Revolution were not going to stop at the borders," he says.
Penn created many of the stark, glossy pictures of stick-thin fashion models that appeared in Vogue. He also made portraits of nudes, celebrities and also everyday objects, like cigarettes.
Photojournalist Robert Nickelsberg has been documenting Afghanistan since 1988. A retrospective in Kabul from his book, A Distant War, takes his photos back to the country where he made them.