Don Gorske, 71, of Fond du Lac, Wisconsin, has eaten McDonald's Big Mac hamburgers daily for more than 50 years and has set the Guinness World Record for it ...

McDonald's has a solid menu, but is it good enough to eat every single day for 50 years? Here's what we know about the superfan that eats a Big Mac every day.

It's where you can buy the most expensive Big Mac in the world. Welcome to Zürich, the largest city in Switzerland. I visited the McDonald's in the heart of the city's historic Old Town district.

If chowing down on Big Mac hamburgers daily for more than 50 years had ever inflicted any harm on him, Donald Gorske would probably get himself evaluated for an obsessive disorder, he admitted.

Argentina now has one of the world's most expensive McDonald's Big Mac hamburgers in dollar terms Note: The dollar price of a single burger-only Big Mac. Prices do vary between outlets ...