Welcome to Ilha de Queimada Grande, a 110-acre uninhabited island off the coast of Brazil, but locals refer to it as "snake island." And with good reason! The island is home to the Golden Lancehead snake, a super poisonous reptile whose bite causes bleeding orifices, brain hemorrhaging, and kidney failure. Yikes! Researchers claim there is one snake for every square meter of land, which makes the island so dangerous that the Brazilian Navy doesn't allow humans to even go there. Let's check it out!