The journey of Prince Maximilian, German naturalist, and artist Karl Bodmer, who explored the Mississippi River area from 1832-1834.
Before radar had been invented a devastating hurricane hit America, surprising residents of the East Coast and killing more than 600 people.
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 story of the farmers who dreamed of prosperity and lived through ten years of drought, dust, disease and death.
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.
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
President Theodore Roosevelt was caught in the middle of the first major battle for wilderness preservation in Yosemite National Park.