Discoveries
5 Countries With the Strictest Travel Requirements
There are a fair amount of difficult-to-visit countries, but you'll have the hardest time making your way to these five nations.
There are a fair amount of difficult-to-visit countries, but you'll have the hardest time making your way to these five nations.
For the ultimate in bragging rights, this is where you intrepid adventurers should book: ten places only a few travelers will ever see.