The inspiring story of the modern environmental movement.
The life of the legendary photographer, known best for his black and white images of the wilderness of the American West.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
The journey of Prince Maximilian, German naturalist, and artist Karl Bodmer, who explored the Mississippi River area from 1832-1834.
This stunning film portrait of Yosemite National Park uses the 1851 diary of the first expedition of soldiers into the Native American territory.
Before radar had been invented a devastating hurricane hit America, surprising residents of the East Coast and killing more than 600 people.
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.
When an earthen dam broke without warning, a small city in Pennsylvania was swept away in a wall of water over 30 feet high.