Ed and Lorraine Warren investigate thousands of hauntings; some of their most famous cases are the Amityville Horror House and the Rhode Island home behind "The Conjuring" films.

Steve Shippy and Cindy Kaza seek out the spirit of The Gainesville Ripper. They attempt to uncover the truth behind the gruesome crime spree that inspired a blockbuster film.

Compelling new evidence may prove that a New Hampshire couple's terrifying close encounter with a UFO in 1961 was real.

Four decades after the abduction of Travis Walton became an international media sensation, shocking new evidence reveals the true story behind Fire in the Sky.

In 1985, author Whitley Strieber is abducted by otherworldly beings. For the first time in 30 years, Whitley returns to find out if he can still make contact with the Visitors.

Cindy Kaza unravels the mystery of the world's most haunted doll.