The team investigates England's Chillingham Castle.

The Abbey at Lucedio, Italy and the Nanteos Mansion in Wales are investigated.

The GHI team arrives at the Ragged School, formerly an orphanage and currently abandoned. The structure shares a basement connection with a shop called Camera Obscura, whose employees no longer venture into the basement because of all their experiences.

The team arrives in Pluckley Village, listed by the Guinness Book of World Records as "Europe's most haunted village." Their first stop is at the Black Horse Inn where owner Kevin Savidge gives them a tour, pointing out where people saw ghosts, including those of Will the Bailiff and a 7-year-old girl who was murdered.

The GHI team arrives in the Transylvania section of Romania, ready to investigate Citadel Rasnov, high in the mountains. The snow makes it difficult to drive, and they wind up walking up the last section of road with their equipment.

The GHI team arrives in Slovakia to become the first to investigate Orava Castle, where the classic silent film Nosferatu was shot. Upon arrival, they meet with Peter Palka, a local historian, who guides them through the structure.

The GHI team is thrilled to be joined by Destination Truth host Josh Gates for their visit to the Castle Frankenstein in Germany. En route, Donna explains the castle was constructed 12 centuries earlier and fell into disuse in the 19th century. Mary Shelley's famous horror novel, Frankenstein, was based on the actual exploits of Konrad Dipple Von Frankenstein, an alchemist who performed experiments on dead bodies that he exhumed.

The team makes its way to what many believe is the most haunted site in New Zealand, Larnach Castle. With a long history of death, tragedy, scandal and suicide, Larnach Castle is believed to be haunted by all members of the Larnach family, who each occupied a portion of the estate.

It's so embarrassing when a fading entertainer refuses to leave the stage, but sometimes it can be down right frightening. The GHI gang spend a night in Wellington, New Zealand's St. James Theatre and Opera House to see if they can flush out some of the ghosts that supposedly occupy the site.

It's off to Ireland to explore the mysteries of infamous Charleville Castle. Built on the graves of people who were buried alive, and situated on an underground labyrinth, Charleville Castle was once rumored to be the scene of devil worshipping and ritual human sacrifice.

The Ghost Hunters International team visits Bodelwyddan Castle in Rhyl, England. Shrouded in mystery and housing unidentified bones in its walls, the only thing certain about this castle is the presence of unexplained shadows and drifting figures through its long corridors.

The team explores South Africa, and finds out about a prostitute named Charlotte who never properly checked out of the Nottingham Road Hotel in KwaZulu-Natal. Charlotte threw herself from a window, and has been a hotel guest for over 200 years.

The team's the first ever to investigate the Predjama Castle, an ominous Slovenian national monument. Once a refuge site for the Luegg family, the castle is now home to a museum.

It's off to Romania's Banffy Castle, known as the Versailles of Transylvania. In it's prime, the castle was home to the Banffy family. Even with a war raging all around the castle, Miklos Banffy, refused to abandon his beloved home, and still makes his presence known today.

The team's the first ever to investigate the Predjama Castle, an ominous Slovenian national monument. Once a refuge site for the Luegg family, the castle is now home to a museum.

While in Brazil, TAPS first investigated the Grande Hotel in Cambuquira, Brazil. Legend has it that a local priest cursed the town that the hotel resides in. The Grande Hotel is open for business, but guests tend to shy away from the location due to the frightening stories that surround the building. Apparitions of the restless souls are seen roaming the empty corridors and strange voices are regularly heard in the kitchen.

The international ghost hunters answered the call of a local Denmark investigative team, who needed help deciphering whether or not the historic Trekroner Fort in Copenhagen is haunted. The battles of Copenhagen in 1801 and 1807 were fought at this fort, and during each war; many soldiers died on the grounds. Presently the spirits are still suspected to lurk around in search of the unknown.

Investigator Joe Chin joins the team as they set out to examine one of the most notoriously haunted Inns of Sweden. The location was formerly a vicarage in 1876 and is allegedly haunted by the ghost of a chaplain's wife who was buried on the grounds of the property. Visitors of the inn have reported hearing strange noises, seeing objects move and glimpsing frightening apparitions of women walking along the grounds.

The Ghost Hunters International team traveled to Denmark to uncover the truth behind paranormal activities at the Dragholm Castle. Various legends surround the location, including one story that entails the princess being buried alive in the walls by her father - who was enraged that she had fallen in love and gotten pregnant by a local peasant. In more recent times, the apparition (presumed to be the broken hearted princess) of a woman has been seen roaming the halls of the castle.

The team journeyed the distance to the Philippines to investigate the haunted Clark Hospital. Once occupied during WWII by the Imperial Japanese army and then seized in 1945 by the Americans, numerous soldiers have died in the hospital and their souls have yet to leave the grounds. To date, security guards of the buidling affirm that they've seen a full-bodied man with a skull for a face walking through the halls. Others attest to hearing voices, footsteps and sounds similar to crying heard in and around the pediatric ward of the building.

The team set out to investigate the Castillo Coracera in Madrid, Spain, which was constructed in the 14th century and is allegedly cursed. A Spanish admiral bought the castle in the 1920s and when his two brothers died in a plane crash he was said to have buried them in the walls. Since that time, people on the premises have made reports that they heard loud screams coming from that same area of the castle. Another eerie legend is based on the 1980s death of the last owner who was a member of the Occult. To date, it is still unknown as to whether or not he killed himself or was murdered.

For their first investigation, the team researched the Chateau Lagorce, which was once home to many wealthy noblemen throughout the 19th century and was later seized by the Germans during World War II. The owner recalls seeing a shadow move across the wall and other guests have reported hearing voices throughout the building.

The team heads to Liepaja, Latvia's Karosta Cietums, a former military prison where they will try to unlock the tortured souls of the paranormal which are still caged inside.