The Martebo lights (in Swedish, "Marteboljusen" or "Marteboljuset") are "ghost lights" which have been seen since the early 1900s on a road in Martebo on the Swedish island of Gotland.
Since the early 1900s, ghost lights known as Martebo lights (in Swedish, "Marteboljarna" or "Marteboljuset") have been observed on a road in Martebo on the Swedish island of Gotland.