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, May 14, 2026, COSI looking for the creatures with COSI After Dark: Creatures and Cryptids. COSI dives into the stories … Continue reading COSI After Dark: Fun for adults only! Creatures & Cryptids – May 14