I don't need to eat the chocolate when I'm there; I'm happy just enjoying the chocolate smell that pervades downtown Hershey.
I am sorry to inform you that since they completed the new manufacturing plant (big blue builing on the right when approching the area) that beautiful smell is almost gone. They still make some products in the old manufacturing building but the odor is also reduced. Yes, the odor police got on the company.
Here's a secret. When you go to Chocolate World you will smell heavy duty chocolate throughout. Before opening they put a 5 pound chocolate bar in a crock pot and blow a fan over it. Shhhhh.