Walter visits a group of independent motorcycle builders, who are impressed by the stories they've heard of Walter's racing days.

Stephen Rider plays William B. Johnson, the world’s first African American Harley-Davidson dealer, and the first African American licensed to compete in national motorcycle racing events.

The special effects team used Bill Harley's original drawings to authentically recreate the motorcycles seen in Harley and the Davidsons.

Meet the strong, defiant women of Harley and the Davidsons: Jessica Camacho, who plays Reya; Annie Read who plays Bill Harley's wife Anna; Essa O'Shea who plays Arthur Davidson's wife Clara; and Hera Hilmar who plays Walter Davidson's wife Emma.

Authenticity and attention to detail were paramount in recreating the world of Harley and the Davidsons.

The story of Harley and the Davidsons lives at the heart of motorcycle culture: the freedom, the joy, the self-reliance - and don’t forget the leather jackets.

Bill Harley and the Davidson Brothers had a dream. This is the story of that dream and what it took to get there, despite all odds. What can be more American?

Special effects designer Alex Wheeler reveals what it took to authentically recreate the motorcycles seen in Harley and the Davidsons.

Executive Producers, John Goldwyn and Dimitri Doganis discuss the making of Harley and the Davidsons.

Discovery is the global destination for high quality content that ignites viewers' curiosity through authentic stories, immersive experiences, and world exploration.

Sherpa share why they love and appreciate their work as mountaineers on Mount Everest despite the dangers.

Sherpa does not mean what most of the Western world believes. Sherpas are mountain climbers, but an ethnic group of people with their own culture and beliefs.

Sherpas hold a ceremony to ask Mount Everest permission to climb before embarking on their journey.

Sherpas hold a tenuous group meeting at Everest Base Camp immediately after the devastating avalanche in April 2014.

Sherpa, part of Elevation Weekend, premieres Sat Apr 23 at 9/8c.

How can you detect a guy with Gold Fever? Can it be cured? Come on down to Steve's World for an acoustic take on Gold Mining 101.