Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
The life of the legendary photographer, known best for his black and white images of the wilderness of the American West.
President Theodore Roosevelt was caught in the middle of the first major battle for wilderness preservation in Yosemite National Park.
The New Deal program CCC put three million young men to work in camps across America.
The epic battle waged over dinosaur fossils by rival paleontologists in the American West.
The inspiring story of the modern environmental movement.
In 1927, the Mississippi River flooded from New Orleans to Illinois, leaving a million people homeless and leading to a major black migration to the North.
The contradictory history of a dam that became a statement of American power and prestige.
The American effort to relieve starvation in Soviet Russia in 1921 during the worst natural disaster in Europe in 500 years.
Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.
A daunting story of shipwreck, starvation, mutiny and cannibalism amongst a group left abandoned in the high Arctic.
Before radar had been invented a devastating hurricane hit America, surprising residents of the East Coast and killing more than 600 people.
The 300-year saga of the American whaling industry.
When an earthen dam broke without warning, a small city in Pennsylvania was swept away in a wall of water over 30 feet high.
John Wesley Powell's epic journey into the unknown Grand Canyon was filled with adventure as his team mapped the Colorado River for the first time.
The coal miners' battle for dignity led to the largest armed insurrection since the American Civil War.
High on a granite cliff in South Dakota's Black Hills tower the huge carved faces of four American presidents: George Washington, Thomas Jefferson, Abraham Lincoln, and Theodore Roosevelt.
The most daring and innovative accomplishment at the turn of the 20th century.
Her 1963 warnings about the effects of pesticides and herbicides sparked a revolution in environmental policy.
The story of the farmers who dreamed of prosperity and lived through ten years of drought, dust, disease and death.
A personal story of one family's dramatic effort to hold onto their family farm in Iowa as massive foreclosures sweep the nation in the 1990s.
The journey of Prince Maximilian, German naturalist, and artist Karl Bodmer, who explored the Mississippi River area from 1832-1834.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.
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.