The Borglum family archives include some historic home movies, early color films of the mountain's sculpting in progress. See Gutzon and the workers in action as they struggle with winches, jackhammers -- and Mother Nature.
Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.
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.
Robert Marshall, Aldo Leopold and Howard Zahniser dedicated their lives to protect the shrinking American wilderness.
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.
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.