HISTORY | 10:03 pm
Season 21 of this fascinating docuseries finds host Adam Richman crisscrossing the United States to discover more about some of the incredible machines that continue to power the global economy and improve our daily lives. These are machines that tell the story of inspiration and innovation, built to solve problems and elevate human lives. In the season premiere, "Adventure Machines," adrenaline runs high when Richman visits the factory where Yamaha makes ATVs, WaveRunners and more. Later, he hosts an inside look at a company built to get people sky-high in paramotors.