A missing Pennsylvania teenager may have left ... The National Park Service map of the Appalachian Trail on the east coast. Hiking and camping are the boy's hobbies, and he has basic survival ...

Some areas that top the nation for unemployment also fare worst in a health measure that can keep people from getting jobs — missing ... Appalachian states have lost at least that many teeth ...

A missing Pennsylvania teenager ... The Appalachian Trail runs north to south, from Maine down to Georgia. It passes right by Harrisburg. Hiking and camping are the boy's hobbies, and he has ...