The Buddhists and Hindus believe that after death you get reincarnated. They say that after going thru many lives and achieving a perfect state of being, that you then go thru Nirvana. There you are granted eternal rest.
Catholics believe that you go to a boring place and sing songs accompanied by a harp, or you go to an exciting place. This is based on how you lead your present life.
Scientologists believe that your souls go to Mars (the area for souls between lives) to be subjected to unspeakable tortures during which you are made to forget your previous life. Then you go back to Earth and decide which body to inhabit next. .
Ancient Norse Folk thought that Odin collected mortals who had died during battle, to add to his famous collection. All the remaining dead went to Helheim. His collected warriors were supposed to fight the ultimate battle at the end of time.
Torajans of Indonesia believed that after dying they had their souls(the "Bombo"), resembling the deceased, transported to Puya, the land of soles, together with all the wealth and livestock sacrificed at the funeral.
Muslims believed that people die and rest in their grave until Judgment Day. Both, nonbelievers and believers, have to cross a bridge over abyss, in which Hell lies, to the other side, Heaven.
Atheists say that there is something after death. They say that after your present life terminates, there is nothing, but that life after death does exist. At this very moment we are experiencing life after death. The fact is that we've already had a previous existence. Though we will never be able to dream or imagine what it was like.