The Chinese may enthuse about the perfect swallow’s nest and the Russians can’t seem to get enough of borscht. There are only a few rare delicacies, like the serial-killer pufferfish, however, that can actually make eating a deadly endeavor. Meanwhile, some legenday foods travel around the world before they make their way onto diners’ plates, like the Glass Eel which supposedly wander 6,000 kilometers before landing in European fishermen’s nets. Read on for a list of the bizarrest rare delicacies that you have to try at least once in your lifetime.