Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.
The epic battle waged over dinosaur fossils by rival paleontologists in the American West.
Robert Marshall, Aldo Leopold and Howard Zahniser dedicated their lives to protect the shrinking American wilderness.
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.
A daunting story of shipwreck, starvation, mutiny and cannibalism amongst a group left abandoned in the high Arctic.
When an earthen dam broke without warning, a small city in Pennsylvania was swept away in a wall of water over 30 feet high.
The inspiring story of the modern environmental movement.
The story of the farmers who dreamed of prosperity and lived through ten years of drought, dust, disease and death.