The crew sails into the coastal town of Oxnard, California, to help a couple tormented by unseen forces in their house. Zak makes a surprising connection as the team attempts to unmask the driving force behind the negative energy in the stately home.
Zak and the crew pierce the seal on the ominous Mira Loma Detention Center in Lancaster, California. Decades of death, violence and bloodshed have scarred this massive compound, painting a thick layer of doom on every square inch and delivering some of the most solid evidence yet.
Zak and the crew investigate reports of vicious paranormal attacks at LA's Heritage Square Museum. As the team explores this peculiar collection of Victorian homes, they suspect a dark portal is responsible for shadow figure sightings and aggressive poltergeist activity.
Zak and crew awaken hostile spirits in sleepy Elko, Nevada, when they investigate the Commercial Hotel and Casino. The abandoned building's rough history of lawless cowboys, cutthroat gamblers and exploited women fuels a malevolent energy. Can the team resist its dark pull?
Zak and the crew venture to California's first oil boomtown to investigate countless reports of ghostly activity inside its buildings and glowing anomalies in the surrounding hills. Paranormal chaos ensues as the guys attempt to unravel the mystery of Mentryville.
Zak and the crew return to LA's Skid Row district to investigate a nearly abandoned building steeped in a dark, grisly history that rivals the Hotel Cecil. The guys find their hands full as both the dead and the living push back on the investigation.
Echoes of a past investigation come into focus as Zak and the crew investigate a stately California ranch steeped in tragedy. A dark energy has taken root on the land, and the team must unravel its haunting secrets to help the terrified caretakers.
Zak and the crew peel back the glamorous façade of a Phoenix, Arizona, hotel to expose a darkness that's said to drive people mad. As they explore the vacant rooms and halls, the team encounters a demonic presence that could be responsible for countless deaths on the property.
Zak and the crew visit King Gillette Ranch, a sprawling compound built on sacred land. Its dark history plus a brush with a religious cult has birthed violent spirit activity that drains the living of their energy, making this the GAC's heaviest investigation yet.
Zak and the crew check in for a night of terror at a Flagstaff, Arizona, hotel where guests and staff have reported troubling paranormal experiences for decades. The chaotic spirits trapped within are wreaking havoc, and the GAC may be the only ones who can help.
Zak and the crew are called to Tempe, Arizona, to investigate a brewery awash with dark and disturbing paranormal activity. The team lands in the crosshairs of dueling entities as they dig deep into the colossal factory's troubled past.
Zak and the crew descend upon a Southern California park to investigate a preschool haunted by tragedy and violent deaths. The team wants to determine if an ancient tribal tale of vengeance has continued to cast a dark curse on this former homestead.
Zak and the crew delve into the darkness that surrounds the historic and very haunted town of Sutro, Nevada. The team suspects an old mining tunnel is fueling the abandoned settlement's ominous aura as they uncover numerous deaths, disasters and mysterious fires.
Zak and the crew brave a brutal winter blizzard to confront an aggressive presence at an abandoned ranch located off the coast of Utah's Great Salt Lake. Unmarked graves and whispers of a curse throw a shadow over the investigation as the guys seek out the dark, unseeable force.
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