Klövasten (Cloven Stone) in Glemmingebro, Sweden (opens in new tab)

A split boulder sits in flat farmland just south of the village of Glemmingebro, in Sweden's southernmost region. About 46 by 30 feet (14 by 9 meters) and roughly 10 feet (3 meters) high, it is cleft in two, likely widened over time as water froze in natural fractures and forced the rock apart. Geologists classify it as a glacial erratic, carried here during the last Ice Age. Local tradition has a different account of both the journey and the split. In it, a giantess on the Baltic island of B...