Knievel was an American daredevil and icon of the 1970s. He began doing motorcycle stunts as a teenager, then embarked on an incredibly varied career that included professional hockey, a stint in the army, work in copper mines, and eventually crime—safecracking and holdups. In 1965 he “went straight” and took up performing dangerous and thrilling stunts, which did not always go smoothly and eventually earned him the record for most broken bones in a lifetime. What canyon did Knievel try to jump? Discuss