The Transcontinental Railroad changed the U.S. by allowing easy travel from coast to coast. This is the crazy real-life story of the Transcontinental Railroad.
Some sources say Kamala Harris is the first person of color to hold the second highest office in US government, but that honor belongs to Charles Curtis.
The first group of astronauts became known as the Mercury Seven and were followed by several groups of men that would go down in history of U.S. space flight.
Football helmets are serious business, with some companies making just the padding and protection inside, and others designing the perfect protective facemask.
It's estimated that as many as 90% of the artifacts displayed in museums got there through shady means. Here are some famous artifacts countries want back.
Switzerland has maintained a policy of armed neutrality in international affairs. The reason for it goes back centuries, but it hasn't always been easy.
The Cold War had a generations-long impact on the residents of Berlin after World War II. Here's what it was like living in Berlin during the Cold War.
In February 1959, a search party was sent into the Ural Mountains of western Russia in an attempt to find a group of nine Russian hikers who had gone missing.
Lost treasures. Unsolved murders. Disappearances. These stories continue to intrigue lovers of the Old West. Despite today's technology, many still remain open.
Ferdinand Magellan is known for the Strait of Magellan and leading the first circumnavigation of the globe. But the voyage itself was anything but uneventful.
In 1869, ten explorers began to boat down the Colorado River, and not all of them came home. This is the crazy true story of the 1869 Grand Canyon expedition.
One ultimately tragic, story of a captive on the American Frontier was that of Cynthia Ann Parker, a white Texan woman who spent years with the Comanche.
Between 1840 and 1860, up to 400,000 people traveled the over 2,000-mile path of the Oregon Trail, encountering sickness, death, exhaustion and other hardships.