The farthest outpost of the Roman Empire, Hadrians Wall was built to keep out the barbarians in the north of the island. Much is still unknown about the function of the wall - apparently it does not follow best practice for a defensive strategy and there is ample evidence of stables for cavalry to be utilised along its route. Well worth a visit, the bleakest, most isolated stretches of the wall still resonate with the echoes of the farthest reach of a civilisation that existed in BritainĀ for overĀ 400 years. Discover more here.