The epic battle waged over dinosaur fossils by rival paleontologists in the American West.
Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.
The story of the farmers who dreamed of prosperity and lived through ten years of drought, dust, disease and death.
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 300-year saga of the American whaling industry.
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.
The American effort to relieve starvation in Soviet Russia in 1921 during the worst natural disaster in Europe in 500 years.
Her 1963 warnings about the effects of pesticides and herbicides sparked a revolution in environmental policy.