This course explores the classifications of and theories for various ghosts and spirits, such as earthbound entities vs. spirits, classic shadow people, crisis apparitions, types of elemental energies, angels, poltergeists / PK (psychokinesis), animal spirits, vortexes, orbs (the great orb debate), celestial entities, waking dreams, etc.; how to survive a haunting and classic cases of hauntings from around the world.