Where can I sell my HUGE old toy collection in Knox Tn?

I live in Knoxville Tn, and i dont even know where to begin to look to sell all my old toys. They mean alot to me and i definatly dont want to go just GIVE them, away. nor do i want to take them somewhere where they wont give me very much money and are cheap. i have ATLEAST, almost 1,000 wwf/wwe/ecw/wcw action figures. batman, spiderman, heman, hotwheels, ninja turtles, and on and on and on. i probly even have some collectables. and i want to take them somewhere professional. PLEASE PLEASE PLEASE help me, and if theres anywhere anyone knows of please tell me. these are just takin up space, and besides the really sentimental ones, i need to get rid of them. please help. thank you