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.
Robert Marshall, Aldo Leopold and Howard Zahniser dedicated their lives to protect the shrinking American wilderness.
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.
Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.
The American effort to relieve starvation in Soviet Russia in 1921 during the worst natural disaster in Europe in 500 years.
This stunning film portrait of Yosemite National Park uses the 1851 diary of the first expedition of soldiers into the Native American territory.
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 most daring and innovative accomplishment at the turn of the 20th century.