Her 1963 warnings about the effects of pesticides and herbicides sparked a revolution in environmental policy.
The New Deal program CCC put three million young men to work in camps across America.
The story of the farmers who dreamed of prosperity and lived through ten years of drought, dust, disease and death.
The most daring and innovative accomplishment at the turn of the 20th century.
The contradictory history of a dam that became a statement of American power and prestige.
This stunning film portrait of Yosemite National Park uses the 1851 diary of the first expedition of soldiers into the Native American territory.
The American effort to relieve starvation in Soviet Russia in 1921 during the worst natural disaster in Europe in 500 years.
The journey of Prince Maximilian, German naturalist, and artist Karl Bodmer, who explored the Mississippi River area from 1832-1834.