A brilliant scientist, Oppenheimer was tasked with the development of the atomic bomb during World War II.
William "Buffalo Bill" Cody's legendary exploits helped create the myth of the American West that still endures today.
The story of Native peoples’ valiant resistance to expulsion from their lands and the extinction of their culture.
Engineer James Eads tamed the mighty Mississippi, turning New Orleans into the second largest port in the nation.
The epic battle waged over dinosaur fossils by rival paleontologists in the American West.
Begun during the Civil War, the transcontinental railroad employed 20,000 men, mostly immigrants, who built the iron road with their bare hands.
In the early 1830s, Texas, ruled by Mexico, held 20,000 U.S. settlers and 4,000 Mexican Tejanos, forcing residents to pick sides.
The U.S. and the Soviet Union race to build the hydrogen bomb during the Cold War, thus beginning the nuclear arms race.