greencastle. county down, northern ireland

aerial ancient architecture carlingford castle celtic chambers coast coastal coastline colourful council country countryside county courtyard culture defensive ditch down drone europe european exterior facade fort fortification fortified fortress greencastle heritage historic historical ireland irish keep king kingdom landmark lough medieval monument motte mourne nature newry norman normans northern old outdoor outdoors peninsula picturesque protection royal ruined ruins rural scene sea site stone stronghold style tourism tourist touristic tower towers town traditional travel ulster united vaulted view village wall walls