Gunnar Garfors - 198: How I Ran Out of Countries

Gunnar Garfors, is the youngest person ever to travel to all 198 countries in the world as a hobby.

Garfors published a book about his travels, called 198: How I Ran Out of Countries

"Gunnar Garfors has visited all 198 countries in the world - as the youngest hobby traveler - and has encountered people, places and situations most can only dream of. The globetrotter has deftly woven his experiences together into a story that takes the reader on an emotive ride and establishes a connection with him and his quest. Expect outrageous tales grouped in original themes, complete with own chapters for every country."

http://www.garfors.com/2015/07/english-version-of-198-finally-on-sale.html

http://www.couchsurfing.com/about/about-us/

The first country he visited was Greece, as a one-year-old child. At 17 he started travelling without his family, and used Interrail with a friend to visit 13 countries in Europe. “I was then hooked,” he told BuzzFeed News.