The other thread got me to thinking (and made me a little jealous of all the terrific places I have never been to, but would someday love to visit.)...What locations have caused you serious grumblings? What places or situations have proved so stressful or difficult, or produced such miserable results that you never want to go there again?

Now, I don't mean locations that very overly challenging and taxed your abilities as a amateur or professional photographer (God knows, most of my visited locations fit in there!!); but, the locations that you detested! The ones that were not worth pulling the camera out for...but you did anyway and were proven right...