Luis' WoGE #443 seemed very familiar, I was sure I had come across it somewhere. It took me a while to remember where, and then I found the very obvious Waw-an-Namus volcano in Libya. Zooming in on the crater removed most of the desert references, which made it a bit more difficult. :)
For WoGE #444, I decided to stay with the desert theme:
For any new players to Where on (Google) Earth, simply post a comment with latitude and longitude and write something about the (geologic/geographic/hydrographic) feature in the picture. If you win, you get to host the next one. Previous WoGEs are collected by Felix on his blog and a KML file.