Add Yahoo as a preferred source to see more of our stories on Google. It's a double-patty celebration this week for a legendary burger and the birthday of the western Pennsylvania man who created it.

I’ve probably consumed hundreds of Big Macs in my lifetime, but never in a more fitting location: the Big Mac Museum. Situated inside a functioning McDonald’s restaurant along Route 30 in North ...

IRWIN, Pa. -- It started out as a culinary idea and turned into a global icon. The Big Mac, arguably McDonald's most famous sandwich, was first served by its founder Jim Delligatti 40 years ago. To ...

Had it not been for Esther Glickstein Rose, the Big Mac Museum in North Huntingdon might have opened in 2007 under another name. McDonald’s officials mulling over what to call Jim Delligatti’s ...