Introduction: Throughout human history people have sought experiences that somehow transcend every day life. Some sort of wisdom that might progress their knowledge of self and of the world that they live in. For some reason they believed that the tangible world just could not be all there is to life. Some believed in a greater force that controlled them, some believed of invisible beings that influenced their lives, some of an actual other world that paralleled their own. Many of these people also believed that it was possible to catch a glimpse of these forces, beings, or worlds through a variety of means