Their latest one looks at 20 different bad idea burgers – gimmicky burgers that will leave you scratching your head, as to why anyone thought they would be a good idea in the first place.
However, although there are some horrendous looking burgers on here – tinned cheeseburger anyone? – there are others that we would happily chow down on. But the lesson here we guess is sometimes there's just no need to mess with a classic too drastically.
You might also be interested in this guide to 14 gourmet burgers from around the world.