Ever the buzz generator, McDonald’s recently announced on their Twitter that the eternal holy grail of fast food sandwiches, the McRib, is returning once again to our plane of existence. The McRib is something of a cryptid among fast food historians and enthusiasts. It’s a little more common today, but ten years ago? You’d be as likely to find a McRib as you would be to see Bigfoot working at your local Micky D’s. Where did the fascination with this mysterious sandwich come from? Come on a journey with us and find out.