Michigan couple visits every county in lower 48

BARNSTABLE, Mass. -- A Michigan couple has completed a quest to visit all 3,108 counties in the lower 48 states, closing out the task with their trip to Nantucket. Jennifer and Jonathan Riehl completed their journey this week when they boarded a ferry to the island. They started in 2006 with small trips, and Jennifer Riehl, a research scientist, and her husband, an engineering instructor, now typically drive about 50,000 miles a year...