Seeking help from lunar scientists

Iam, ever so slowly, working on a story set on the moon a hundredish years fromnow.  It is a time when lunar tourism isthriving and there are museums and other attractions on the moon.  I have the idea for one museum, but I’d liketo put it in a specific location on the moon, but I’m not sure where such alocation is, or if it even exists.Iknow there is this thing called libration which –