Claim: Ravensborg, the name of a replica Viking Age fort in northern Missouri which began construction in the spring of 2007, is a type of ringfort used to recreate a Viking Age fortification allowing living history enthusiasts to experience Medieval life in a longhouse for short periods..
Evidence: Ravensborg, formerly called Norstead, is the name of a replica Viking Age fort in northern Missouri which began construction in the spring of 2007. Ravensborg is a type of ringfort -- a circular earthen rampart and wood palisade with several buildings within. While not permanently inhabited, the site is used to recreate a Viking Age fortification allowing living history enthusiasts to experience Medieval life in a longhouse for short periods.