Why do the eastern states have more squiggly borders and the western have more straight borders? What does the Civil War have to do with the border of Nevada? If you’re a curious person at all, How the States Got Their Shapes is a fascinating look at our nation’s geography. Brian Unger travels throughout the U.S. talking to the locals and experts about borders, how they came to be and how they affect our lives now. Originally aired on the History Channel, this series will crack you up while you expand your knowledge.