Meet the man on a 15,000-mile journey, from Argentina to Alaska

Holly "Cargo" Harrison is on a multi-continent trek, attempting to walk the entire distance of the Western Hemisphere - and he's already traveled 11,000 miles in a year. The journey has not come without its challenges, but he's been happily surprised by the kindness of strangers. NBC's Harry Smith has this week's Sunday Closer.

Meet the man on a 15,000-mile journey, from Argentina to Alaska

Dec. 17, 201705:05

Dec. 17, 2017, 2:26 PM UTC / Source: TODAY

By TODAY

Holly “Cargo” Harrison is on a multi-continent trek, attempting to walk the entire distance of the Western Hemisphere – and he’s already traveled 11,000 miles in a year. The journey has not come without its challenges, but he’s been happily surprised by the kindness of strangers. NBC’s Harry Smith has this week’s Sunday Closer.