Dinosaur bones have been discovered all over the United States. Explore some of America's most exciting dig sites on this interactive map.
President Theodore Roosevelt was caught in the middle of the first major battle for wilderness preservation in Yosemite National Park.
The life of the legendary photographer, known best for his black and white images of the wilderness of the American West.
The New Deal program CCC put three million young men to work in camps across America.
In the early 1830s, Texas, ruled by Mexico, held 20,000 U.S. settlers and 4,000 Mexican Tejanos, forcing residents to pick sides.
It was the largest fire in American history: by the time it was all over, more than three million acres had burned and at least 78 firefighters were dead.
In 1934, American polar explorer Richard Byrd became the first to experience winter in Antarctica's interior.
A biography of the last outlaws of the American Wild West
From Joseph Smith's discovery of gold tablets to persecution, migration, and settlement in Utah, the film explores the history of the most American of religions.