The Martebo lights (in Swedish, "''Marteboljusen''" or "''Marteboljuset''") are " ghost lights" which have been seen since the early 1900s on a road in

Martebo Martebo () is a populated area, a ''socken'' (not to be confused with parish), on the Swedish island of Gotland. It comprises the same area as the administrative Martebo District, established on 1January 2016. As of 2020, the total population of ...

on the Swedish island of

Gotland Gotland (; ; ''Gutland'' in Gutnish), also historically spelled Gottland or Gothland (), is Sweden's largest island. It is also a Provinces of Sweden, province/Counties of Sweden, county (Swedish län), Municipalities of Sweden, municipality, a ...

. In

Sweden Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic count ...

, it is believed that the will-o'-the-wisp represents the

soul The soul is the purported Mind–body dualism, immaterial aspect or essence of a Outline of life forms, living being. It is typically believed to be Immortality, immortal and to exist apart from the material world. The three main theories that ...

of an unbaptized person "trying to lead travelers to water in the hope of being baptized".

References

Gotland Atmospheric ghost lights {{Sweden-stub