fredriksten fortress in halden

ancient antique architectural architecture barracks beautiful brick building citadel city culture defense europe famous fort fortification fortress fredrikstenfortress haldenmunicipality heritage historic historical history landmark landscape monument nordic norway old outdoor princefrederiksbattery princegeorgesbastion scandinavia sky solid southerncurtainwall stone thebelltower theoverkingsbastion theunderkingsbastion tourism tower town traditional wall war stfoldcounty