While some may concider water holes and Taverns their main source of entertainment, here are some other options that just might, or might not involve consuming alcohol.
Fun Stuff
Alton Baker Park
http://www.ci/eugene.or.us/wewetlands/self_guided_tour/sgtsit2c.htm
Wow Hall - Operated by the non-profit community Center for the performing arts, wht WOW Hall has brought the finest performing arts to Eugene for over 25 years
Hult Center
Center for Performing arts - http://www.hultcenter.org
Oregon Air and Space Museum