It's been called the "King of sodas" and "liquid sunshine," and over the years it's gone through several variations - Red Fusion, Diet Cherry Chocolate, and "made with real sugar," but at the end of the day, the original reigns supreme. In an industry where companies are constantly trying to reinvent themselves, this brand's original formula has stayed near the top of the leader board since it was first introduced over 100 years ago.

This week, the history of Dr. Pepper and the Dr. Pepper museum in Waco, Texas.