Based on CNN and travelandleisure.com 2007 poll of over 60,000 Americans. These are clean places to visit when traveling.| Ranker
In addition to their heinous crimes, some of the most notorious serial killers in history also have surprisingly high IQs. While at least one study showed that the average IQ of a serial killer is only 94.7, the people on this list proved to be quite intelligent - though they were also...| Ranker