Halloween is approaching and what better way to celebrate than to freak yourself out? Even the mildest of horror fans enjoy a little scare for the holiday. Due to its deep (sometimes dark) history, Boston is one of the best cities to get spooked in…if you believe, that is. IMBoston has comprised a virtual breakdown of the city’s three creepiest, rumored to be- haunted spots. We found the spots. It’s up to you to find the courage.