COSI isn’t just for kids! COSI hosts monthly COSI After Dark, adult-only, after-hours events to let the adults have the run of the place.  This event feature exhibits, concessions and cash bar, and fun!  On Thursday, August 13, 2026, COSI is going back to the frontier with COSI After Dark: Wild, Wild, West Broad. Saddle up, … Continue reading COSI After Dark: Fun for adults only! Wild, Wild, West Broad – Aug 13