A few years ago, I saw some guy selling junk on his lawn and pulled over when I saw an iron cauldron. He told me that it was a hundred years old and that he'd let it go for the right price. I flashed a twenty for the rusted 8 gallon cauldron and it was mine. Fortunately for me, the guy was very drunk at the time.
The thing was filled with rust chips which took flight when my car picked up speed. Before I could close the windows, my eyes had little pieces of flaked orange iron in them.
Found this site and it reminded me of that story: