President Theodore Roosevelt was caught in the middle of the first major battle for wilderness preservation, over the building of Hetch Hetchy Dam in Yosemite National Park.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.
The journey of Prince Maximilian, German naturalist, and artist Karl Bodmer, who explored the Mississippi River area from 1832-1834.
The Chiricahua Apache medicine man and warrior who refused to accept white man's 'civilization.' Part of The Wild West collection.
The contradictory history of a dam that became a statement of American power and prestige.
When an earthen dam broke without warning, a small city in Pennsylvania was swept away in a wall of water over 30 feet high.
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.
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.