In the Season 11 premiere, the GAC travels to the outskirts of Anamosa, Iowa, to investigate the extremely haunted Edinburgh Manor. Built in 1850, the manor housed the incurably insane and has had over 100 documented deaths within its walls. The GAC investigate to find evidence of attacks from the entity known as 'The Joker'.

The Ghost Adventures Crew visits the Old Montana State Prison in Deer Lodge, a place haunted today by a deadly 1959 prison riot. During the lockdown, the guys witness camera batteries inexplicably explode and fizzle acid.

The Ghost Adventures Crew sets sail to Port Townsend, Washington to investigate the claims of violent hauntings at Manresa Castle. During the lockdown, an entity mimics and torments Aaron.

The Ghost Adventures Crew travels to Fayetteville, Tennessee to investigate the Old Lincoln County Hospital, a claimed powerhouse of paranormal activity.

The Ghost Adventures Crew travels to Las Vegas, New Mexico to investigate the abandoned Castaneda Hotel, one of the Fred Harvey Company's most famous hotels. They also investigate the nearby haunted Plaza Hotel.

Ghost Adventures Crew travels to Soledad, California for their lockdown at the Los Coches Adobe, a former brothel where a lady in black is said to roam. The guys also investigate a local legend about Old Stage Road outside of Salinas, California to validate peoples claims of a female spirit appearing on the road, and in their car.

The Ghost Adventures Crew travels to the remote desert outside of Peach Springs, Arizona for their lockdown at the Grand Canyon Caverns, a sacred Indian burial site.

Ghost Adventures Crew investigate three notorious hauntings around Hollywood, California.

The Ghost Adventures Crew travel outside of Kansas City to Liberty, Missouri for their lockdown inside the old Oddfellow's Asylum, the current home of the famous Belvoir Winery.

The Ghost Adventures Crew returns to Tonopah, Nevada where Zak faces his fear of clown dolls during their lockdown at the Clown Motel. They also return to Goldfield, Nevada in order to investigate the old Goldfield High School.

GAC travel to the legendary Wild West town of Deadwood, South Dakota to investigate its most haunted locations, where the spirits of cowboys and gunslingers still roam.

The Ghost Adventures Crew travels to Lava Hot Springs, Idaho for their lockdown at the Lava Hot Springs Inn, where many paranormal claims have been reported for the past 27 years.

Zak heads to the catacombs of Paris.