WW1 acoustic mirror, which detected German Zeppelins as they approached the coast.
A defensive gun battery established near the mouth of the Tyne during the Anglo Dutch Wars in the 17th Century and used during various later conflicts.
A six storey lookout tower used to assist gun turrets in both World War 1 and 2.
A radome housing an RAF radar at Brizlee Wood sitting on top of Alnwick Moor.
A 14th century stone monument to the Battle of Otterburn in 1388
Site of the battle of Newburn Ford and Ryton Willows Local Nature Reserve
A unique gun that would disappear into its turret to reload, devised during the Crimean War.
A monument marking the Battle Of Fodden where the Scottish army of King James IV were heavily defated by the English in a brutal encounter.
An old gun battery from the 19th century and reused in WW2.