Nightfall Tresure - Redirect me

I know many people must of asked. Can you just redirect me to a thread that talks about it. Or just enlighten me. I have found 4, how many are there, and were?

http://gw.gamewikis.org/wiki/Do_Not_Touch

Lists them all here, along with maps to each.

No thread needed when there's the wiki. Lol.

Thanking you and all that may post after him