At a refugee camp in Kenya, commerce is largely improvisational.
Five landmarks in the American Southwest illustrate the limits of engineering the environment to human favor.
In the first half of the 20th century, coal communities across the Illinois Basin boomed. In 1990, new regulations set off an industry implosion, and the vitality of the region went with it.
How nine photographers navigated floods, rubble, and suspicions of espionage to capture some of the most striking images of the last half-century.
The indigenous Amazonian people stand strong, despite the forces that have despoiled their home.