Not sure what your criteria was for your list, but something I found interesting is this fact about the city I live in: "Despite the relatively dry climate, Jo

Not sure what your criteria was for your list, but something I found interesting is this fact about the city I live in: "Despite the relatively dry climate, Johannesburg has over ten million trees,[22][dead link] and it is now the biggest man-made forest in the world" [1] [1] http://en.wikipedia.org/wiki/Johannesburg http://en.wikipedia.org/wiki/Johannesburg