Young, Ian

Recalls the history of the Iditarod dog sled race, including some of its greatest mushers and dogs, and explains how teams and volunteers prepare for and run this famous Alaskan race.

Introduces the travels and discoveries of some famous explorers who crossed deserts, sailed seas, scaled mountains, and flew uncharted skies.

Presents a short profile of world champion cyclist Lance Armstrong and chronicles his life, entrance into the sport, victory over cancer, and return to win his sixth Tour de France.

Examines the showcase for today's action sports, the X Games; also looks at the rise in popularity of action sports, the birth and growth of the X Games, the various competitions at the Summer and Winter X Games, and many of the tricks and moves that action athletes perform.

Recalls the history of the Iditarod dog sled race, including some of its greatest mushers and dogs, and explains how teams and volunteers prepare for and run this famous Alaskan race.