Maybe the National Mall in D.C., as I have a lot of memories there (and in the immediate area) as well as it having visitors from all over, regular events, and the history that is collected there. I feel I could witness many different things.
Poor Cynus, having to make up most the questions and then answering them himself. Love that you do though, since it helps to keep the thread alive and making new questions is hard.
New Question: If you had to be stuck somewhere for an extended period of time with someone who is a virtual stranger (loose acquaintance, celebrity, etc.) who would you want it to be? Why?