Some of my fav Gamma Phi Beta houses, for different reasons:
Florida State (because the staircase is so cool):
http://www.fsugammaphibeta.com/history.html
Cal Poly SLO (because they have a pool too!):
http://www.gammaphibetaslo.com/page.php?page_id=2130
USC (because it's a beautiful property and also where I was initiated):
http://www.gammaphibetausc.org/page.php?page_id=13295
Iowa State (just pretty):
http://www.isugammaphi.com/houseTour.aspx
U-DUB (I love the dramatic door arch):
http://students.washington.edu/gammaphi/
UCLA (the prettiest at UCLA IMHO):
http://images.google.com/imgres?imgu...US234%26sa%3DN
Wisconsin (LOVE all the ivy):
http://www.uwgreek.com/
SMU (just so traditionally pretty):
http://www.smugreeks.com/Panhellenic/index.htm