I was contacted by the Oklahoma National Guard (Active and retired) Motorcycle Club. They have a haunted house this year for the third year in a row. They charge $5.00 per person and 70% of the proceeds goes to the Oklahoma National Guard Scholarship foundation and the Local Disabled American Veterans.
They are getting their flyer together for this year but this is the one from last year:
Get up to date information about this event here on their facebook page.