Robert Marshall, Aldo Leopold and Howard Zahniser dedicated their lives to protect the shrinking American wilderness.
This stunning film portrait of Yosemite National Park uses the 1851 diary of the first expedition of soldiers into the Native American territory.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.
The story of the farmers who dreamed of prosperity and lived through ten years of drought, dust, disease and death.
Her 1963 warnings about the effects of pesticides and herbicides sparked a revolution in environmental policy.
The 300-year saga of the American whaling industry.
The contradictory history of a dam that became a statement of American power and prestige.
A daunting story of shipwreck, starvation, mutiny and cannibalism amongst a group left abandoned in the high Arctic.