As fun as international vacations can be, there are ways that they can quickly turn nightmarish if you don't prepare yourself for where you're going.
In some cases, you simply won't be allowed to fly there if you aren't vaccinated for certain diseases, with yellow fever serving as a common example. But other, more serious problems can arise if you find yourself running afoul of your destination's laws.
And even if you know what they do and don't allow, it's not always apparent how seriously enforcers will take what may seem like minor violations. This reality emerged in the tragic case of Otto Warmbier, who PBS Newshour reported as returning home in a coma after a year of hazardous detention in response to his alleged theft of a propaganda poster in North Korea.
But in the case of one Nevada man, it's hard to imagine how he could have prepared for the unfortunate events he now finds himself dealing with.