WATCH: Four Minutes to Explore the Globe
Man who visited every country sums up his journey

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In 2012, Graham Hughes successfully became the first person to visit all United Nations member states without flying.
On less than $100 a week, it took Hughes four years to complete his journey. In a newly released video, you can follow in his footsteps in all of four minutes—covering roughly one country per second.
It’s a bit dizzying, to be honest.