When I started to explore these areas however. I rarely found any story, any notes or anything really that would make each area any different from the other ones I had discovered. The same textures and hallways, just pieced together in different ways. Also, the treasure and enemies were leveled. So I was just looking for treasure chests that would have the same random treasure of any other place. After this happened many times and I realized what was happening, I pretty much stopped going into these extra areas just because I didn't feel there was anything special to find or any mystery to discover.
This is just my hope that these areas will be better fleshed out, even if that means not having hundreds of them. Having unique stories and/or special treasures inside these places I believe makes players actually want to explore them more and want to seek out and find others.