I cannot find a random dragon to save my life. I need to souls for shouts. I have already beaten the main quest, and I have already tried fast traveling everywhere; did not fix the problem. I am a level 56. Can anyone help?

In skyrim you don't find dragons...dragons find you...sorry had to.

Go to the dragon lairs on your map, should help. http://elderscrolls.wikia.com/wiki/Dragon_Lairs