A tunnel in a dream typically symbolizes the process of fetuses coming out of the world through their mother’s womb. Therefore, the dream of seeing a tunnel is related to these birth memories. Or if you dream about a tunnel, you are likely to have a bowel disease due to abnormalities in the intestine or colon. A dream that enters a tunnel is a dream that means looking into a world of unconsciousness or the psychology of escaping into one’s own inner self.