Gunnar Garfors visited all 198 countries in the world by the time he turned 37.
So when people ask him which country was his favorite, he has a hard time picking just one.
But there are 12 countries he thinks everyone should visit at some point in their lives.
Keep scrolling to see what those countries are, and why he thinks they're worth visiting.
SEE ALSO: The man who traveled to every country in the world before turning 40 reveals his packing strategy
Romania
![](http://static1.businessinsider.com/image/55fc2219bd86ef17008bb53d-400-300/romania.jpg)
"Transylvania, best known for its castles, mountains, and, of course, Dracula, will stun you. Not to forget the parties in the capital, Bucharest. And Romanians even know how to make great beer."
Madagascar
![](http://static2.businessinsider.com/image/55fc1f429dd7cc18008bb546-400-300/madagascar.jpg)
"There is no doubt about the French having 'visited.' The gourmet options in Antananarivo are world-class, until it comes to the bill.You will think they have forgotten most of what you ordered."
"The coastline, the lemurs, and the baobab trees will gobsmack you."
Iceland
![](http://static6.businessinsider.com/image/55fc21bcbd86ef18008bb5f9-400-300/iceland.jpg)
"You know that big island in the middle of the Atlantic? It's been battered and beaten by winds and waves for a million years, and it is still there!"
"Just bring your swimming gear, and sit in 40-degrees hot natural springs while your hair will freeze and get covered by snow. Unreal."
See the rest of the story at Business Insider