Charles R. Knight (1874-1953) was one of the first American painters to depict dinosaurs, providing imaginative and largely scientifically based renditions of the extinct beasts in real-world settings. His realistic renderings were referred to as restorations. During a time when dinosaurs were capturing the fascination of people across the country, Knight's ground-breaking images combined paleontology and artistry to create some of the most popular museum displays of his day. Though somewhat speculative and not entirely based on solid evidence, Knight's paintings put flesh on creatures no one had ever seen, and he helped shape the image of dinosaurs that lives in public consciousness to this day.
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.
President Theodore Roosevelt was caught in the middle of the first major battle for wilderness preservation in Yosemite National Park.
The contradictory history of a dam that became a statement of American power and prestige.
A year in the life of Wyoming cowboys and the ranching families of the American West.
In the early 1830s, Texas, ruled by Mexico, held 20,000 U.S. settlers and 4,000 Mexican Tejanos, forcing residents to pick sides.
Begun during the Civil War, the transcontinental railroad employed 20,000 men, mostly immigrants, who built the iron road with their bare hands.
Originally settled as a mail stop, Las Vegas changed from an Old West vacation town, to a mafia haven, to the "Atomic City" and "Sin City."
During the Great Depression, Americans built the Hoover Dam, one of the greatest engineering works in history.