In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.
This stunning film portrait of Yosemite National Park uses the 1851 diary of the first expedition of soldiers into the Native American territory.
The life of the legendary photographer, known best for his black and white images of the wilderness of the American West.
When an earthen dam broke without warning, a small city in Pennsylvania was swept away in a wall of water over 30 feet high.
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.
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.