Into the Deep producer talks about life on the set.
President Theodore Roosevelt was caught in the middle of the first major battle for wilderness preservation in Yosemite National Park.
Before radar had been invented a devastating hurricane hit America, surprising residents of the East Coast and killing more than 600 people.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
Native Alaskans, oil company representatives, environmentalists, politicians, and others tell the story of the 800-mile pipeline.
Robert Marshall, Aldo Leopold and Howard Zahniser dedicated their lives to protect the shrinking American wilderness.
Her 1963 warnings about the effects of pesticides and herbicides sparked a revolution in environmental policy.
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.
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.