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.
When an earthen dam broke without warning, a small city in Pennsylvania was swept away in a wall of water over 30 feet high.
The epic battle waged over dinosaur fossils by rival paleontologists in the American West.
The Chiricahua Apache medicine man and warrior who refused to accept white man's 'civilization.' Part of The Wild West collection.
A six-hour series on how the West was lost and won, from the Gold Rush in 1848 until Wounded Knee in 1893.
During the Great Depression, Americans built the Hoover Dam, one of the greatest engineering works in history.
The contradictory history of a dam that became a statement of American power and prestige.
The American effort to relieve starvation in Soviet Russia in 1921 during the worst natural disaster in Europe in 500 years.
The New Deal program CCC put three million young men to work in camps across America.