Monsterama Con 2026Horror convention in Atlanta this past weekend (Aug 7-9) celebrating Richard Matheson centennial and Dark Shadows anniversary. Event has concluded; still notable for spooky/offbeat fans.Sources (2)Monsterama Con Marks Dark Shadows 60th, Matheson 100th in Atlantahoodline.comMONSTERAMA CON: Celebrating 13 big years Aug. 7-9creativeloafing.comUpdated Aug 11, 2026