Pennsylvanian Don Moul will celebrate his 90th birthday along the rail-to-trail bicycle path where he rides four or five times a week.

How are you going to stay fit when you're 90?

Moul has been an avid bicyclist since he retired in the 1980s. Currently he likes to ride his bicycle on a 15-mile route from York to Glen Rock along the Heritage Rail Trail County Park ...   more »