Each year, hundreds of people are reported missing in national parks and forests. Most are eventually found, but there's a smaller category of cases that are never solved. The ones who are found are found miles away from where they disappeared, in areas seemingly impossible for them to reach on their own. They often refuse to talk about what happened or tell of strange experiences. Others seemingly disappear into thin air without a trace. I'll discuss the unsettling circumstances and similarities of those who have gone missing in national parks.