In the Season 10 premiere, the team climb aboard the legendary ocean liner Queen Mary, which is permanently docked in Long Beach. In addition to exploring the ship's haunted history, the guys conduct a séance to channel the spirit of the late psychic Peter James, and they invite EVP specialist Debby Constantino on what turns out to be a chilling lockdown.
The team explore the tragic history of the Lemp Mansion in St. Louis, and investigate stories of family members who are said to haunt the building, which since 1977 has been run as a restaurant and bed-and-breakfast.
Zak, Nick and Aaron investigate a home in Oklahoma City that is allegedly being terrorized by an ancient spirit known as the Zozo demon, which is believed to attack and possess its victims through a spirit board.
The team travel to Duluth, Minn., to investigate Nopeming Sanatorium, which was built on top of sacred Native American land and at the turn of the century served as a tuberculosis hospital. Included: The guys investigate a grisly murder-suicide that occurred at the site.
The guys investigate claims that Goldfield Ghost Town in Apache Junction, Ariz., houses a gateway to hell; at the same time, they look into several cases of miners being killed during the gold rush of the late 1800s.
Big Nose Kate's Saloon in Tombstone, Ariz., is investigated by Zak and Aaron, who are looking for evidence of a spirit known as the Swamper. But first, the guys take time to remember a friend who was shot and killed near a theater that was once featured on the show.
The team investigate a nearly 170-year-old hotel with a history of murder and suicide when they visit Seguin, Texas, in the Season 10 finale. Included: The guys try a new magnetic microphone; and see a handprint mysteriously appear.