Tom Jennings

The "Shock Docs" series' latest installment explores the chilling history of the Amityville, New York home known as the most haunted house in America and location of the horrific mass murder of six family members in 1974.

The Exorcist has terrified audiences since 1973, but few know the story is true. For the first time on television, investigators expose shocking secrets about the real-life exorcism of a 13-year-old boy that inspired an iconic horror film.

Follow the story of the first American astronauts in space in this National Geographic documentary.

In the late 1960s, the United States space program neared its goal of landing a man on the Moon, but it was a journey that began years before. This is the story of Project Apollo - 12 years, 12 manned-missions, one impossible goal. With rare archival footage and audio, this remarkable documentary sheds new light on an incredible time in human history.