This app was surprisingly useful to me when I searched for local workshops for small business owners. I noticed that there was a plethora of events that I wasn't aware of in the area. Hopefully it'll help with your search!
Edit: here's the link https://play.google.com/store/apps/details?id=com.eventbrite.attendee
Edit 2: iOS link https://itunes.apple.com/us/app/eventbrite-local-events-fun/id487922291?mt=8