Unidentified Earth 39

After taking a week off from Unidentified Earth last week, we now get back into it this week with a new entry below. However, UI 38, from two weeks ago, is as yet not only Unidentified, but not even guessed at. Hmmmm. Maybe this one was too hard? Nah, that can't be it, but as is my policy, I always start leaving hints whenever a previous installment is still Unidentified when a new installment goes live, so: some years ago, several people saw this particular location much closer up than they, or anyone, would have liked.

And now for the new one! I suspect this will be Identified in pretty short order by at least two of my readers (if not more), but still, here it is:



Where are we? Rot-13 your guesses, folks!