Tower of Meer Monument · Cardona, Bages, Barcelona A cylindrical fort, circular in plan and narrowing in diameter with height, built in 1837-1838 by order of the Baron of Meer, a military officer of Flemish origin, to protect the Cardona saltworks from the Carlist attacks of Tristany during the Seven Years' War, while the town's castle remained in the hands of the Cristinos. At mid-height it has a few loopholes and rough masonry which nonetheless conveys a sense of sturdiness. It is protected as a Bien Cultural de Interés Nacional. Photo: Beusson (CC BY-SA 3.0 es) What to see and do in Cardona