Oak Island in Montana. It's all about the ever elusive cache (cash). I don't know about anyone else, but whenever I take my cavalry regiment into the field of battle I always look around for something really heavy for the sole purpose of slowing us all down. You never know when you're going to run across a 7-11 that only takes gold coins. Evidence... Look at this guys! I just found this thing in the middle of nowhere out of pure luck. Either that or the producers stuck it the day before.
True historians gag at crap like this.