I've got so much respect for the people who do it professionally. Back when I worked in television I was always blown away when the scouts would pop open their location info binder and have first choices plus multiple backups for everything, multiple Polaroids of each location, contact info for the owners, maps to everything...and I had absolutely no interest in being the guy collecting all of that stuff.
But let's face it - being in the studio can get boring sometimes. I love "happy accidents", and that kind of unexpected inspiration comes more readily when you're out in the world. Sometimes you've got to take the shoot outside and give up a little of that control if you want the really cool stuff. And that means finding places to take the shoot to.