連城(cheng)要(yao)塞遺址(zhi)和友誼關全國重(zhong)點文物保護單位(wei),近(jin)現(xian)代有代表性的邊關建(jian)筑。位(wei)于廣(guang)西壯族自治區北海市(shi)、防城(cheng)港(gang)市(shi)、寧明縣(xian)(xian)、憑(ping)祥(xiang)市(shi)、龍州縣(xian)(xian)、大新縣(xian)(xian)、靖(jing)西縣(xian)(xian)、那(nei)坡縣(xian)(xian)。
明清(qing)時代南(nan)方邊防(fang)連(lian)城(cheng)(cheng)(cheng)(cheng)要塞遺(yi)址自東而(er)西分布(bu)在北(bei)海、防(fang)城(cheng)(cheng)(cheng)(cheng)至崇左、百色一線。主要有(you)憑祥市北(bei)3公(gong)里處(chu)的大(da)連(lian)城(cheng)(cheng)(cheng)(cheng),清(qing)光(guang)(guang)緒十一年(1885年)廣(guang)西提督蘇元(yuan)春(chun)在此設大(da)本營,沿山(shan)(shan)脊(ji)山(shan)(shan)峰(feng)連(lian)續修筑(zhu)城(cheng)(cheng)(cheng)(cheng)墻、炮臺(tai),故名(ming)大(da)連(lian)城(cheng)(cheng)(cheng)(cheng),城(cheng)(cheng)(cheng)(cheng)內(nei)有(you)練(lian)兵場(chang)、跑馬場(chang)、軍(jun)(jun)事指揮(hui)部(bu)“白玉洞”,現城(cheng)(cheng)(cheng)(cheng)墻、碉(diao)堡尚存(cun)。又有(you)北(bei)海市鐵山(shan)(shan)港區營盤鎮的珍(zhen)珠(zhu)城(cheng)(cheng)(cheng)(cheng),又名(ming)白龍城(cheng)(cheng)(cheng)(cheng),建于(yu)明洪武年間(1368-1398年),城(cheng)(cheng)(cheng)(cheng)墻中間用(yong)珍(zhen)珠(zhu)貝殼摻和(he)(he)黃泥(ni)夯筑(zhu),故名(ming)珍(zhen)珠(zhu)城(cheng)(cheng)(cheng)(cheng)。城(cheng)(cheng)(cheng)(cheng)垣表面砌青磚,長(chang)1106米,高(gao)6米,東西南(nan)北(bei)設門及城(cheng)(cheng)(cheng)(cheng)樓,登(deng)城(cheng)(cheng)(cheng)(cheng)可瞭望全城(cheng)(cheng)(cheng)(cheng)和(he)(he)大(da)海。還有(you)龍州縣城(cheng)(cheng)(cheng)(cheng)西北(bei)5公(gong)里將山(shan)(shan)上的小連(lian)城(cheng)(cheng)(cheng)(cheng),也是(shi)清(qing)光(guang)(guang)緒十一年廣(guang)西提督蘇元(yuan)春(chun)所建,沿山(shan)(shan)巔筑(zhu)城(cheng)(cheng)(cheng)(cheng)墻、設炮臺(tai),山(shan)(shan)峰(feng)間石墻連(lian)環,內(nei)有(you)工事、兵房、火藥庫。主峰(feng)有(you)德國(guo)造(zao)大(da)炮一尊,其余(yu)山(shan)(shan)峰(feng)也有(you)軍(jun)(jun)事設施(shi)。半山(shan)(shan)石洞內(nei)保元(yuan)宮是(shi)軍(jun)(jun)事指揮(hui)機構所在地,防(fang)御體系完整(zheng),為戍邊險(xian)塞要地。
著(zhu)名(ming)的邊關(guan)(guan)(guan)(guan)(guan)(guan)友(you)誼關(guan)(guan)(guan)(guan)(guan)(guan)位于(yu)憑祥市南(nan)大(da)青(qing)山(shan)與(yu)金雞嶺(ling)之間,南(nan)鄰越(yue)南(nan),是(shi)中(zhong)越(yue)交通咽喉。與(yu)龍州水口關(guan)(guan)(guan)(guan)(guan)(guan)、平而關(guan)(guan)(guan)(guan)(guan)(guan)并(bing)稱(cheng)“南(nan)天邊陲三關(guan)(guan)(guan)(guan)(guan)(guan)”。初名(ming)雍雞關(guan)(guan)(guan)(guan)(guan)(guan)、雞陵關(guan)(guan)(guan)(guan)(guan)(guan),后(hou)有(you)界(jie)首關(guan)(guan)(guan)(guan)(guan)(guan)、大(da)南(nan)關(guan)(guan)(guan)(guan)(guan)(guan)等稱(cheng)。明(ming)洪武年(nian)(nian)(nian)間(1368-1398年(nian)(nian)(nian))建關(guan)(guan)(guan)(guan)(guan)(guan),永樂年(nian)(nian)(nian)間(1403-1424年(nian)(nian)(nian))稱(cheng)鎮夷關(guan)(guan)(guan)(guan)(guan)(guan),清初稱(cheng)鎮南(nan)關(guan)(guan)(guan)(guan)(guan)(guan),1953年(nian)(nian)(nian)改稱(cheng)睦(mu)南(nan)關(guan)(guan)(guan)(guan)(guan)(guan),1964年(nian)(nian)(nian)更今名(ming)。歷史上(shang),1885年(nian)(nian)(nian)愛國將領馮子材率軍痛殲入侵法(fa)軍于(yu)此。清光(guang)緒年(nian)(nian)(nian)間(1875-1908年(nian)(nian)(nian)),廣西(xi)(xi)提督蘇元春(chun)又在關(guan)(guan)(guan)(guan)(guan)(guan)兩側山(shan)上(shang)筑炮(pao)臺、營壘(lei)防守。1965年(nian)(nian)(nian),友(you)誼關(guan)(guan)(guan)(guan)(guan)(guan)改建為拱(gong)式門和(he)三層關(guan)(guan)(guan)(guan)(guan)(guan)樓。額書(shu)“友(you)誼關(guan)(guan)(guan)(guan)(guan)(guan)”為陳毅所書(shu)。此外,友(you)誼關(guan)(guan)(guan)(guan)(guan)(guan)西(xi)(xi)側有(you)金雞山(shan)炮(pao)臺,是(shi)中(zhong)法(fa)戰爭紀念地舊址。中(zhong)法(fa)戰爭后(hou)提督蘇元春(chun)為鞏(gong)固邊陲,用石材砌(qi)成鎮南(nan)、鎮中(zhong)、鎮北三座(zuo)炮(pao)臺,裝炮(pao)三尊(zun),炮(pao)臺上(shang)有(you)指揮所,下有(you)臥室、彈藥庫、地下室,并(bing)有(you)石墻(qiang)與(yu)友(you)誼關(guan)(guan)(guan)(guan)(guan)(guan)樓相連。