Many places to explore this weekend:

• Open House Chicago - Have you ever walked by a building and thought: I wish I could see what's inside? Now you can. Oct 13-14, 2012.  The Chicago Architecture Foundation's Open House Chicago is a free public event that offers behind-the-scenes access to over 150 buildings across Chicago. Check out the interactive map to plan your visits.
  

• Logan Launch Festival - Oct 12-14, 2012. A three-day festival celebrating the opening of the Reva and David Logan Center for the Arts, a hub for the vibrant arts scene at the University of Chicago and a destination for the South Side and greater Chicago. Free and open to the public.