Source of a picture?

[Ogrork the Mighty]

Ok, here's a strange request. Very recently (within the past week or so) I saw a picture in a WotC book that had a bunch of robed priests (IIRC) entering the ruins of an old forgotten temple surrounded by leafless trees. There was a lot of green and black in the picture. It was about half a page in size (and IIRC it was on the top-left page). For the life of me, I haven't been able to remember where I saw it. I've looked through all my books (which I assumed it was in) and even the piks on the WotC D&D site but I still haven't been able to find it.

Does this picture ring a bell for anyone?