The crews concludes their two-part investigation of Alton, IL, at the Mineral Springs Hotel. The 1914 structure has been witness to multiple deaths, and Zak believes a demonic entity is keeping these lost souls trapped inside the building.

The crew travels to Alton, Illinois, a town considered by many to be one of the most haunted places in America, to investigate a Victorian mansion with a rich history and reports of dangerous paranormal activity.

The crew travels to Alton, Illinois, a town considered by many to be one of the most haunted places in America, to investigate a Victorian mansion with a rich history and reports of dangerous paranormal activity.

The Navajo Nation gives the crew special permission to investigate Skinwalker Canyon, a place where many residents refuse to enter in fear of encountering shape-shifting creatures; enhanced.

Zack and his crew head to Upper Fruitland, N.M., to help a family troubled by the ghost of a faceless young boy; during an intense lockdown inside the Navajo Nation, the guys capture a chair moving on its own; enhanced.

Zak and the crew uncover occult practices and demonic presences in a ghost town near Wolf Creek, Ore.; the guys investigate a town formerly run by the Chinese Mafia in Locke, Calif.

Zak and the crew investigate the March Field Air Museum in Riverside, CA, where employees have heard voices, seen artifacts move and even felt spirits move through their bodies.

Zak and the crew travel to Fontana, CA, to investigate the suburban home of a family who claim they're being terrorized by a demon. During the intense lockdown, the guys are shocked by a satanic message sent through a child's toy.

Zak and the crew head to a former mining camp in Eureka, Utah, to investigate several haunted buildings. A special guest investigator joins the team for the terrifying lockdown in which an unprecedented piece of evidence horrifies everyone

The crew lands in Oakdale, CA, to investigate a sinister energy darkening the home of a grieving family. During the emotionally charged and frightening lockdown, Billy and Aaron are mysteriously debilitated and Jay witnesses a door open by itself.

Zak and the crew head to San Francisco to investigate the historic Westerfeld House, which played host to satanic rituals performed by underground occultist filmmaker Kenneth Anger and Church of Satan founder Anton LaVey.

Zak and the crew travel to St. Anthony, ID, to investigate a former school with a dark history of suicide and death. The guys capture paranormal activity that proves the children who lost their lives are still trapped on the grounds.