I am going to have a 7hr layover at ORD and don't want to go into town. I am a *A Gold and will be on a LH FC international ticket. This gives me lounge options.

How many lounges are there for me to sample thatI will ahve access to? There is the RCC and the UA First lounge. What others are there? I'm going to make an adventure of it, since I have the time.