Did you know that residents of Supai and Phantom Town in Arizona still receive mail by mule trains, as the terrain is too tricky for motorized vehicles? They do because the trek requires hours of travel through the Grand Canyon valley. Huffington Post has a strange fact about each state in the U.S. that you may not know. CLICK HERE for the story. However, is it just us, because I'm sure everybody from Wisconsin knows about the "strange fact" for Wisconsin, and it's not strange at all.