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.
How do you manage weapons of mass destruction without being destroyed by them?
The inspiring story of the modern environmental movement.
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
The New Deal program CCC put three million young men to work in camps across America.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.
The coal miners' battle for dignity led to the largest armed insurrection since the American Civil War.