Last weekend I went on a road trip along the western border of Iowa. It might sound pretty boring but there is something there that is only found in one other place in the world. Loess Hills that are over 200 ft tall in some spots are only found along the yellow river in China. These hills completely reminded me of sand dunes. They have distinct ridges to the tops of them. They are located along the missouri river and go from the northwestern tip of Missouri nearly up the the northwestern tip of Iowa. It is probably around a 200 mile ... (more)