I found a list of onion sites which are a good start (as they partly contain more links):
http://www.reddit.com/r/onions/search?q ... r=on&t=allThe warning should be taken serious:
You might not always like what you see down here. Some onions are dark, and full of terrors.
I am very unhappy with lots of stuff, nearly stopped using it altogether, but then found a few good onions (good like in info, e.g the library).
btw, kinda proxy to onion land:
https://www.onion.to/but, like stated there, just download the torbrowser bundle and call it a day.
https://www.torproject.org/projects/torbrowser.html.en