What impact do you think the whaling industry had on America and its economy? The whaling industry was America's first global resource-based industry. How do you think it shaped us as a nation? What do you believe is currently the industry that epitomizes the identity of America?
Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.
The contradictory history of a dam that became a statement of American power and prestige.
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 most daring and innovative accomplishment at the turn of the 20th century.
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.