Source The ruins of the Ogrodzieniec Castle are one of the most valuable and best-preserved, authentic residential and defensive complexes in the entire Cracow-Częstochowa Upland, forming part of the line of defence created along the former Polish-Silesian border by Casimir the Great.
Source CastelBrando, in Northern Italy, has existed as a fortified site since the original Roman castrum built in 46 AD. Most of its enlargements and renovations come from the 13th to 18th centuries.
Source Forte Spagnolo (Italian for Spanish Fortress) was built in L’Aquila from 1534-1567 and was designed to control the then rebellious city which many of its cannons were pointed towards.