The Ghost Adventures team travels to West Palm Beach, FL, to investigate the Riddle House. Built in 1905 formerly called The Gatekeepers Cottage, the Riddle House was used as a funeral parlor and home to cemetery caretakers. Later it was used as a private residence. The house was moved from its original location, Acacia Rd, West Palm Beach, Florida. This seemed to have upset the spirits causing paranormal activity due to the house having seen its share of death and tragedy.

Zak leads the team to Birmingham, AL, to investigate Sloss Furnaces. Built in 1881, this factory was a dangerous place to work. Many workers died and many more were injured. It's the souls of these workers that are believed to inhabit and haunt the factory.

Zak, Nick and Aaron go to New Jersey to investigate an abandoned psychiatric hospital. This hospital once housed thousands of mentally ill patients, many of whom died due to poor conditions. Witnesses have reported disembodied voices and dark shadows there.

The Ghost Adventures team travels to Scotland to investigate the Edinburgh Vaults. The city is steeped in history and hauntings, but no landmark holds as many ghosts as the rooms and passageways under South Bridge.

The Ghost Adventures team heads to Boise to investigate the Old Idaho Penitentiary. The prison once housed killers destined for the gallows, and even though the criminals may be gone, their spirits remain locked behind the high stone walls of the prison.

Zak, Nick and Aaron are off to Ione, CA, to investigate Preston Castle -- a reformatory that once housed juvenile offenders and abandoned children. Its dark history includes an unsolved murder, countless instances of corporal punishment and many tragic deaths.

The crew heads to St. Augustine, FL, to investigate a Spanish fort. More than 300 years after it was built in America's oldest city, Castillo de San Marcos is still defended by the spirits of soldiers and haunted by the prisoners once locked inside.

Zak and the team investigate paranormal occurrences at La Purisima Mission in Lompoc, CA. The former Spanish residence of padres, soldiers and the native Chumash is beautiful, but the air around it is heavy with the tragedy of disease and war.

Zak, Nick and Aaron head to Natchitoches, LA, to investigate the Magnolia Plantation. Many slaves labored and died at this cotton plantation, which was built in 1830. The crew looks for evidence of voodoo rituals slaves may have used to seek revenge on the owners.

Ghost Adventures confronts the spirits of the Old West in Tombstone, AZ. The Bird Cage Theater embodied the heyday of the silver boom. Legendary gunslingers, gamblers and prostitutes drank and died in the theater, and some even stayed to haunt it.

The team goes to Philadelphia to investigate the abandoned Eastern State Penitentiary. Driven insane by solitary confinement, torture and disease, the inmates suffered an ugly and violent existence. Their angry spirits continue to roam the corridors.

Zak, Nick and Aaron visit Savannah, GA, to investigate the Moon River Brewing Company. The building survived General Tecumseh Sherman and has seen its share of feuds, fights and lynchings. Today a ghost named Toby haunts the billiard room and other spirits lurk.

The Ghost Adventures team travels to England to investigate the Ancient Ram Inn. Built around 1145, its long dark history includes a pagan burial ground, ritual sacrifices of children and a possible connection to Stonehenge.

Pennhurst State, a school for the developmentally disabled, was forced to close its doors in 1987 after numerous allegations of abuse and neglect. It's believed the tormented souls of the students still linger there.

In its 96-year history, more than 150,000 criminals were confined to the towering cell blocks of the Ohio Reformatory in Mansfield. Today, their evil spirits still prey on women, the elderly and the weak as they carry out their eternal sentences.

The abandoned Remington Arms factory in Bridgeport, CT, has a dark history. Once the largest supplier of munitions in the world, mysterious explosions, electrocutions and melted bodies have earned it a deadly reputation.

Zak, Nick and Aaron return to Virginia City, NV, the site of their very first investigation. The angry spirits in this old western mining town have been waiting for their return.

During its existence as an operating hospital in East Los Angeles, Linda Vista was deluged with dying gang members and innocent bystanders killed in the midst of a gangland war zone.

Execution Rocks Lighthouse inhabits a deserted island in the middle of Long Island Sound. Etched into a landscape of rocks and isolated by water, the lighthouse's history is full of dark stories of shipwrecks, torture and a serial killer.

This mansion, owned by a wealthy abolitionist, was once a stop on the underground railroad. A gateway to freedom for hundreds of slaves, it was also the last stop for many who arrived in terrible physical condition and died there.

During its 7 decades of operation as a sanitarium and convalescent home, thousands perished in this once stately manor. Some locals affix rosary beads and crucifixes to the fence surrounding the property to keep the evil spirits inside.

The GA Crew travels to Gettysburg, PA, site of the bloodiest battle of the Civil War. While there, they attempt to make contact with dead soldiers, the sadistic woman who ran the town's orphanage and the ghosts of children she abused.

Rolling Hills Asylum is the Genesee County Poor Farm Tuberculosis ward, Insane Asylum, Geriatric Ward. The Genesee County Poor Farm had as many roles as it did characters. A Satan worshipping nurse, a gentle giant, and an alleged child molester all at one time or another roamed its halls Watch Zak, Nick, and Aaron cast themselves in this Theater of the Damned.

When they first investigated Bobby Mackey's Music World in 2008, the Ghost Adventures Crew was physically attacked by unseen forces. And while they never expected to be followed home by the the spirits that haunt this country music bar...that's exactly what happened. Now, Zak, Nick and Aaron return to Wilder, Kentucky to confront the ghosts who have terrorized them the past two years.

Waverly Hills Sanatorium was the final destination for thousands of tuberculosis patients. The crew investigates its dark history and summons spirits that are still roaming the halls of this derelict building.