hadrians wall panorama in northumberland national park, northern england

ancient archaeological archaeology architecture attraction border borders britain britannia britannicus british britons building castle cliffs clouds empire england environment europe excavation fortification foundations frontiers garrison grassy great hadrian hadriani hadrians heritage hiking hills history isles kingdom landscape limes masonry mile national natural nature northern northumberland park path pennines picts point post remains rocky roman rome scotland site steep strategically structure tourist trail travel unesco united vallum wall west western winding world panorama follows height land offering beautiful views surrounding britain UK