During a tragic Near Death Experience, A conservative Presbyterian Pastor named Yong Park was taken to Heaven and Hell. He was shown why some saints are richly rewarded in Heaven, while others have no reward; why some saints have magnificent Mansions in Heavens, while others live in small Community homes. He was shown why, after serving the Lord his whole life, his house was still small and unfinished. He also witnessed how gruesome Hell was, and why so many Christians wound up there; and what sins we must repent of. Pastor Park's testimony is a wake up call to the Church, it will encourage those who are serving Jesus faithfully, it will strengthen your resolve for Jesus, and will bring the Fear of God to those who are not living Holy.
In 1987, Reverend Park had died from high blood pressure. But by the grace of God, his life was extended for another 20 years. However, for the first four years, he was not able to speak due to his condition. He was about 50 years old when he had come back to life. During his death, the Lord showed him Heaven and Hell. (Read More....)
Does life after death exist? Well, according to the Christian faith it does. In fact, it is one of the foundational pillars holding Christianity together. After all, if there is no heaven to look forward to, then why would Christians face the tremendous persecution, suffering, imprisonment and death that they must suffer for their faith in so many areas of the world today? The truth is that tens of millions of Christians have been killed for their faith throughout history, and millions more will be killed for their faith in the years ahead. So why get yourself killed if there is no heaven? And if there is no hell, then why fear God? After all, it certainly seems like a lot of powerful men and women are getting away with extreme wickedness and are enjoying life. Why not cheat and oppress people as long as you can get away with it? If this life is all we have, shouldn't we be focusing on our own personal enjoyment as much as possible? Why waste time on religion if there is no afterlife?
Angie Fenimore, a wife and mother who was continually reminded by the abuse that took place in her childhood suffered tremendously in despair, but nothing compared to what she experienced after she found herself dead. On January 8, 1991, she committed suicide, hoping to escape her sense of emptiness and suffering. Her clinical death didn't draw her to the light as many claim they see in their after death experiences. She found herself in a realm of darkness, and the hell she experienced was far more horrific and personal than the old fire-and-brimstone metaphors. She was terrifed with what she saw but miraculously, she was restored back to life which changed her outlook forever. 
B.W. Melvin wrote a book entitled “A Land Unknown” which is his personal account of his journey to Hell and back. Bryan had atheist values before his near death experience. He died from drinking Cholera-contaminated water, and found himself in Hell where he saw the truth that he had denied in the scriptures. This book has been a great resource for many atheists as Brian answers a lot of questions that caused him to doubt God's existence before his experience. This book is a must read for those curious about the (NDE) near-death experience in Hell. 
When you talk to many atheists and skeptics they often ask for real examples of miracles happening today. Then when you give them publicly documented examples of people being raised from the dead in the name of Jesus, they will often invent reasons to cast doubt on each example and then they will often pretend that you have not shown them any real evidence after all.
Howard Storm found himself in hell when he suddenly had a stomach rupture, causing him to be clinically dead. Howard Storm has a powerful testimony of Hell and talks about the hell fire, and the demonic presence that terrorized him endlessly causing physical pain. He describes in an interview below that he was clinically dead for a couple minutes while his experience in hell seemed to last a couple of months. He describes how he called out to Jesus who saved him out of hell. Listen to his profound testimony below...
Howard Pittman gives a detailed description of what he saw and experienced as he was given a guided tour of the spirit realm when he died on the operating table as a result of an internal hemorrhage when the main artery in his abdomen ruptured from animism. His spirit was separated from his body and taken into the spirit world where he was allowed to see demonic activity and their operations in this physical world.