Driving 24 hours to see Danzig in Denver about 4 years ago, my buddy slammed on the breaks going like 130 KM/H and I thought for sure we were about to hit something. When I asked him "WHAT?! WHAT?!" All he did was yell out "MENG RANCH!"
When we got home I set it as my background and swore I would never change it, I haven't yet, and I never plan to.
The only picture that ever tempted me to change was this one my brother took of a drive in theater just outside of town: