Grant is contacted by the principal of a century-old high school in Pocatello, Idaho, that is rumored to be haunted. The school's security cameras capture an unexplained electrical disturbance, followed by what appears to be a ghostly apparition.

The team travels to Albion, N.Y., to help a home renovator whose dream project has become a nightmare. A tale of warring wives and tragic death on the property has Grant and the team believing the home may be haunted by one of its former matriarchs.

The team comes to the aid of a woman in Hanover, Penn., who has been tortured for years by unexplained activity in her home. Grant returns to the St. Augustine Lighthouse to investigate a reported increase in paranormal activity around the landmark.

Guests and staff of a stately hotel find themselves seeking escape from a variety of spirits. The team learns of a history of destructive fires on the property, A forensic sketch artist is enlisted to help identify a mysterious “woman in white.”

Grant and the team travel to the nearly 200-year-old Madison Seminary in Madison, Ohio to help an enterprising amateur ghost hunter.

The Ghost Hunters visit the Athenaeum, which is a cultural center that has stood in the heart of Indianapolis for over a hundred years.

The team journeys to the Original Springs Hotel in Okawville, Ill., after reports of specter sightings and unexplained activity, combined with the resort's remarkably morbid history, have the owner's son concerned for the safety of his mother.

The team comes to the aid of a single mother and her young son who are afraid that spirits in their Victorian house in Willimantic, Conn., may be a threat to their safety; Kristen investigates claims of a child's voice in an upstairs bedroom.

The former owner of the Duff Green Mansion in Vicksburg, Miss., warns the new owner of the bed-and-breakfast about the strange paranormal activity he observed at the mansion for decades, but she simply does not believe in ghosts.

A Louisiana woman worries that her family plantation may be haunted by its troubled past; with countless deaths on the property over the plantation's 200-year history, the list of spirits that may be present at the large estate is seemingly endless.

Cousins Luke and Chelsea purchase a hospital that was abandoned for 44 years and want to turn it into a bed-and-breakfast; their plans come to a screeching halt as strange things begin to happen soon after starting renovations.

Since its founding in 1873, the remote mining town of Clifton, Ariz., is trapped in a devastating cycle of violence, mayhem and natural disaster. Along with the town's brutal past comes a long history of dark paranormal experiences.

On their second night in the remote mining town of Clifton, Ariz., the team revisits several hubs of paranormal activity as they try to get to the bottom of the aggressive phenomena. Grant, Brandon and Brian have a breakthrough in the Boarding House.

Fort Stanton in New Mexico is established in the 19th century as a military post, then converted into a tuberculosis hospital. Reports of paranormal activity date back to the 1940s, but a recent uptick in claims causes concerns about staff safety.

The Perry-Mansfield Performing Arts Camp, deep in Northern Colorado forestland, has long been plagued by reports of unsettling paranormal encounters. Today, campers and faculty there still experience paranormal activity. In the first professional investigation of the site, Grant sends the team ahead to begin without him. Later, when Grant joins the team, he proposes a creative tactic that triggers some unexpected results.

Between 1896 and 1899, countless fortune seekers set out on a voyage to the Klondike region of North America in search of gold. Many had to pass through the small and secluded town of Haines, Alaska. For some, however, Haines was the end of the journey as many lost their lives due to extreme weather conditions, starvation, or bloody conflicts. Due to the violence and disorder, the government established a military outpost to keep the peace. Today, the outpost remains and has since been converted, in part, into a hotel called Hotel Halsingland, where concerning ...

Deep in the woods of Galena, Illinois, a hospital is frozen in time. Built in 1857, the Galena Marine Hospital has seen countless deaths. Since its recent purchase, distressing paranormal activity has been reported; and the current owner, Frank, calls upon the Ghost Hunters for help. The team travels to meet with him and several witnesses; and they hear claims of heavy footsteps, six-foot shadow figures, and light anomalies.

The Wendover Airfield, a onetime Army Air Force Base in the salt flats of the Utah desert, played a crucial role in WWII. During training, dozens of pilots died on the base. Now, recent reports of paranormal activity there have stirred speculation; and the reported hauntings cause the staff to fear for their safety, and for that of the ordinary citizens who travel in and out of the base. Desperate for answers, they've called upon the team for help.

More than a century ago, when the Glenn House was built in the small town of Cape Girardeau, Missouri, it housed the family of David Glenn, a successful local businessman - until they tragically lost three of their infant children and later went bankrupt. Today, generations later, the historic residence still stands. A rise in disturbing paranormal activity, however, has prompted the local historical association's president to reach out to Grant for help.