@Silverglade: GI Skyrim's article in the February issue had a caption under the same picture that said something about Skyrim being filled with ruins everywhere. And it indeed is a ruin, a Dwemer one, but now populated by Nords.
The exact quote was 'Skyrim is filled with crumbing ruins and ancient cities.'
There were numerous clues that it was a city that everyone just chose to overlook.
1. The caption on the picture.
2. The sentence in the article that talked about cities look like they had been lived in for thousands of years.
3. The shear size of it.
4. The fact that there is no evidence in the picture of destruction, just wear and tear.
5. Both roofs are still intact.
6. The fact that it looks similar to cities in Europe and the Middle East that have been lived in for thousands of years.
I'm not sure calling a city that has been inhabited since the the early days of life on the continent is a ruin. I'm sure all those people that live in the Middle East and Europe wouldn't appreciate you calling their 2000+ year old cities ruins. I don't think I've ever heard someone call Rome a ruin. Sure, it has ruins, but that doesn't make it a ruin.
All of the clues were there, but just a few people seemed to put them all together.