Robert Marshall, Aldo Leopold and Howard Zahniser dedicated their lives to protect the shrinking American wilderness.
Before radar had been invented a devastating hurricane hit America, surprising residents of the East Coast and killing more than 600 people.
The inspiring story of the modern environmental movement.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.
The most daring and innovative accomplishment at the turn of the 20th century.
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.
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.