Footage from the 1927 flood. Clips include shots of workers along the Mississippi River enforcing the levees with sandbags, Secretary of Commerce Herbert Hoover surveying the damage, and aerial views of the flooding.
The coal miners' battle for dignity led to the largest armed insurrection since the American Civil War.
Her 1963 warnings about the effects of pesticides and herbicides sparked a revolution in environmental policy.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.
The 300-year saga of the American whaling industry.
This stunning film portrait of Yosemite National Park uses the 1851 diary of the first expedition of soldiers into the Native American territory.
The contradictory history of a dam that became a statement of American power and prestige.
The most daring and innovative accomplishment at the turn of the 20th century.
Robert Marshall, Aldo Leopold and Howard Zahniser dedicated their lives to protect the shrinking American wilderness.