Thursday & Saturday Evenings, Year Round: Oahu Ghost Tours.  Why are Hawaiian ghosts different from other ghosts? For starters, they play a much bigger role in Polynesian culture than your run-of-the-mill poltergeist. Oahu Ghost Tours not only showcase local hauntings and creepy legends, but also expose you to some of the ceremonial events that Hawaiians use to interact with the supernatural.  It’s a truly different approach to the notion of Halloween; it’s perhaps more educational than truly frightening. This year,…