A spin-off of Syfy's Ghost Hunters series, Ghost Hunters International features a squad of paranormal investigators who use their principles of scientific techniques, to explore some of the most legendary haunted spots around the world. Each week the team travels to the far corners of the globe, searching for answers to bizarre supernatural mysteries. For its first round of investigations, the International crew took on some of Europe's most haunted locales, including Chillingham Castle in England and the forgotten underground city of Mary King's Close in Scotland. The new episodes will take the team to countries such as Peru, Singapore, Sweden, the Philippines and many others.