"The commonplace" seems like a good description of this idea!
Now I really start to dig the idea behind that thread.
Still, the big question is, how to take a picture of a "commonplace" to keep it common. Because taking a picture of anything is a way of making it special.
These two are so much along the lines of "American Surfaces" that if I didn't know better, you could tell me they were from the book of that title by Shore. (Of course, the first one is in Mexico. But that's still North America!)