Unidentified Earth 30

OK, folks, I know I slacked last week, forgetting to put up an installment, but seeing as how the last two entries have gone unguessed at, much less identified, I don't feel so bad. I'll probably have to start giving out hints on those -- such as to note that the earlier one is a regional attraction that no one would probably know unless they were familiar with, say, the upper reaches of the Mississippi River valley, or monuments to people who are honored with upcoming holidays. Yeesh.

Anyhow, here's the new installment:



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