Dinosaur bones have been discovered all over the United States. Explore some of America's most exciting dig sites on this interactive map.
A central figure in the narrative of how the west was won, Wyatt Earp and his story became an American legend. Part of the Wild West collection.
When an earthen dam broke without warning, a small city in Pennsylvania was swept away in a wall of water over 30 feet high.
A daunting story of shipwreck, starvation, mutiny and cannibalism amongst a group left abandoned in the high Arctic.
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.
It was the largest fire in American history.
The contradictory history of a dam that became a statement of American power and prestige.
President Theodore Roosevelt was caught in the middle of the first major battle for wilderness preservation in Yosemite National Park.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.