Here are a few of our favorites, starting with a snowman from the Acrtic Circle
photo by Sakari Partio on 500px
photo by Geert Weggen on 500px
You can see more of this worldwide collection at the StuPho site.
A little closer to home is this snowman built by Addie who built a "life-size" snowman in Brooklyn.
photo by http://littlebellpepper.blogspot.com/
...and of course, come take a look at what were are pinning on The Today's Snowman Pinterest Board!