Deep-sea diving is an activity that many are fascinated by, but also one that few people will ever end up venturing off to attempt themselves. There are many amazing creatures and environments that are hidden below the surface of the ocean, along with many mysteries that are waiting for mankind to discover them. Unfortunately, there have been many instances where deep-sea divers have encountered way more than they bargained for. These instances are usually followed by extremely devastating consequences that can never be undone, just like what happened to the diver in this story. This is one experience he'd never be able to forget no matter how hard he tried. Watch the video for more!