Vikings have been plagued by a lot of misconceptions. Their mythos would lead you to believe they wore horned helmets, for example. (They didn’t.) And that they set their funerary barges alight with a flaming arrow shot from the shore. (Also untrue.) Real Viking burials did involve ships, though not where you might expect them. Viking leaders were buried in boats that were dug into the dirt, then covered over with earth and turf, forming a tumulus, or burial mound, on the Scandinavian landscape. In June the Gjellestad ship, in…