Really? What's the matter with your sites? You can sell them here on DP. eBay is other great place too. Good Luck
Just look around here. This will help you out: http://forums.digitalpoint.com/showthread.php?t=1540570
You can sell it in forums such as DP.But make sure that you have found the right section to sell it.If you website is with good quality, I'm you will get a good price.Or you'll not sell it at a good place wherever you are.
sell it in trade category on dp..................or there are many forums to sell a domain and website.............you can search it on google.................