Vivid memories of those trapped in the terrifying temblor of 1906 that killed thousands of Californians.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
A daunting story of shipwreck, starvation, mutiny and cannibalism amongst a group left abandoned in the high Arctic.
The most daring and innovative accomplishment at the turn of the 20th century.
This stunning film portrait of Yosemite National Park uses the 1851 diary of the first expedition of soldiers into the Native American territory.
Her 1963 warnings about the effects of pesticides and herbicides sparked a revolution in environmental policy.
President Theodore Roosevelt was caught in the middle of the first major battle for wilderness preservation in Yosemite National Park.
The New Deal program CCC put three million young men to work in camps across America.