This is one of those fascinating stories that you just don't think could happen in the 21st century: South and North Carolina still aren't quite sure where, exactly, lies the border between the two states.
They've got a bunch of surveyors out who are trying to actually retrace the steps of the original 18th century surveyors. It's tough work since the surveyors marked their progress via burn marks on trees, and those trees are no longer present some 200 years later.
Obviously, there's a humorous element to this, but unfortunately it also has the possibility to disrupt lives, given that there are some people who think they live in one state but "really" live in the other. Aside from whatever psychic damage they might receive from losing their identity as a North or South Carolinian, there are more tangible problems -- new laws, new drivers licenses, new phone numbers, new utilities -- just massive headaches all around.