Karl Bushby Attempts 36,000 Mile Trek in The Walk Around the World

Karl Bushby had two rules when he set out to walk an unbroken path around the world: No form of transport to advance, and he couldn’t go home, to Hull, England, until he arrived on foot.

He made this pact with himself nearly two decades ago, and Bushby's still walking. He's walked across 25 countries, over seven mountain ranges, from the southern tip of Argentina up through South and Central America,