Part of two semi-trailer sized dumpster bins filled with old beer cans (some of them full still) that was parked near my office. I have no idea why they were there or where they came from. Weird.
b>Update: So the deal is these belonged to a guy known as "The Beer Can Man". He had a place in our building and collected these along with bar signs and all sorts of other stuff. He died a while back and these are being hauled away. They can't be recycled for the deposit because they are tin and steel.
By the end there were 12 trailer-size dumpsters of cans!