Archaeologists have discovered Britain’s largest known Viking-era building, offering new insights into early medieval life. The structure, buried beneath a field at High Tarns Farm in northwest England, was uncovered by the researchers and more than 50 volunteers. Researchers affiliated with Grampus Heritage, a nonprofit organization specializing in archaeology, have identified the remains of a substantial hall measuring approximately 160 feet in length and 50 feet in width. This discovery, made last summer, indicates that the site was an important assembly location during the Viking Age. “The significance of this discovery, in shedding light on the early medieval period and...