Ultimate fact presents Top 22 Rarest Snakes in the world You won’t Believe Actually Exist. Snakes are common in many parts of the world. We humans spend so much time fearing snakes that we never really get a chance to appreciate their unusual beauty. For this video, we’ve gathered details of some of the most extraordinary and rare snake species from around the world. Here are top 22 rarest snakes in the world you won’t believe actually exist.