Bhutan or Bust Ultra-Travelers Aim to Conquer the World

Fancy a trip to Antarctica? How about a vacation on Nauru? Or is North Korea more your idea of a dream holiday? For those travel fanatics competing for the title of "world's most traveled person," such inaccessible places are must-see destinations, as part of the ever-growing list of the world's countries and territories.

Von Moises Mendoza