連城(cheng)(cheng)要(yao)塞遺址(zhi)和友誼關(guan)全國重(zhong)點文(wen)物(wu)保護單位,近現代(dai)有(you)代(dai)表性(xing)的邊關(guan)建筑。位于廣西(xi)壯族自治區北海市(shi)、防城(cheng)(cheng)港(gang)市(shi)、寧明縣(xian)、憑祥市(shi)、龍州縣(xian)、大(da)新縣(xian)、靖(jing)西(xi)縣(xian)、那坡(po)縣(xian)。
明(ming)清(qing)時代(dai)南方邊防連(lian)城(cheng)(cheng)(cheng)要(yao)(yao)(yao)塞遺址(zhi)自東而(er)西分布(bu)在北(bei)(bei)海(hai)、防城(cheng)(cheng)(cheng)至崇左、百色一(yi)線。主(zhu)要(yao)(yao)(yao)有(you)憑祥(xiang)市北(bei)(bei)3公(gong)里處的大(da)(da)連(lian)城(cheng)(cheng)(cheng),清(qing)光緒十一(yi)年(nian)(1885年(nian))廣(guang)(guang)西提督蘇元春在此設大(da)(da)本營,沿(yan)山(shan)(shan)脊(ji)山(shan)(shan)峰(feng)連(lian)續修筑(zhu)(zhu)城(cheng)(cheng)(cheng)墻(qiang)(qiang)、炮臺(tai),故名(ming)大(da)(da)連(lian)城(cheng)(cheng)(cheng),城(cheng)(cheng)(cheng)內有(you)練兵(bing)場(chang)(chang)、跑馬場(chang)(chang)、軍(jun)事指(zhi)揮部“白(bai)玉洞”,現城(cheng)(cheng)(cheng)墻(qiang)(qiang)、碉堡尚存。又有(you)北(bei)(bei)海(hai)市鐵(tie)山(shan)(shan)港(gang)區營盤鎮的珍珠(zhu)(zhu)城(cheng)(cheng)(cheng),又名(ming)白(bai)龍城(cheng)(cheng)(cheng),建于明(ming)洪武年(nian)間(jian)(jian)(1368-1398年(nian)),城(cheng)(cheng)(cheng)墻(qiang)(qiang)中間(jian)(jian)用(yong)珍珠(zhu)(zhu)貝殼摻和黃泥夯(hang)筑(zhu)(zhu),故名(ming)珍珠(zhu)(zhu)城(cheng)(cheng)(cheng)。城(cheng)(cheng)(cheng)垣表(biao)面(mian)砌(qi)青磚,長1106米(mi),高6米(mi),東西南北(bei)(bei)設門及(ji)城(cheng)(cheng)(cheng)樓,登城(cheng)(cheng)(cheng)可瞭望全(quan)城(cheng)(cheng)(cheng)和大(da)(da)海(hai)。還有(you)龍州縣城(cheng)(cheng)(cheng)西北(bei)(bei)5公(gong)里將山(shan)(shan)上的小(xiao)連(lian)城(cheng)(cheng)(cheng),也是清(qing)光緒十一(yi)年(nian)廣(guang)(guang)西提督蘇元春所建,沿(yan)山(shan)(shan)巔筑(zhu)(zhu)城(cheng)(cheng)(cheng)墻(qiang)(qiang)、設炮臺(tai),山(shan)(shan)峰(feng)間(jian)(jian)石墻(qiang)(qiang)連(lian)環,內有(you)工(gong)事、兵(bing)房、火藥庫(ku)。主(zhu)峰(feng)有(you)德國造(zao)大(da)(da)炮一(yi)尊,其(qi)余山(shan)(shan)峰(feng)也有(you)軍(jun)事設施。半山(shan)(shan)石洞內保元宮是軍(jun)事指(zhi)揮機(ji)構所在地,防御體系完整,為(wei)戍邊險塞要(yao)(yao)(yao)地。
著名(ming)的邊關(guan)(guan)友誼(yi)關(guan)(guan)位于憑祥市(shi)南(nan)(nan)(nan)大青(qing)山(shan)與(yu)金雞嶺之間(jian),南(nan)(nan)(nan)鄰越南(nan)(nan)(nan),是中(zhong)越交通咽喉。與(yu)龍(long)州水口(kou)關(guan)(guan)、平而關(guan)(guan)并稱(cheng)“南(nan)(nan)(nan)天邊陲三(san)(san)關(guan)(guan)”。初(chu)名(ming)雍雞關(guan)(guan)、雞陵關(guan)(guan),后有(you)界首關(guan)(guan)、大南(nan)(nan)(nan)關(guan)(guan)等稱(cheng)。明洪武年(nian)間(jian)(1368-1398年(nian))建(jian)關(guan)(guan),永樂年(nian)間(jian)(1403-1424年(nian))稱(cheng)鎮(zhen)夷關(guan)(guan),清初(chu)稱(cheng)鎮(zhen)南(nan)(nan)(nan)關(guan)(guan),1953年(nian)改(gai)稱(cheng)睦南(nan)(nan)(nan)關(guan)(guan),1964年(nian)更(geng)今(jin)名(ming)。歷史上(shang),1885年(nian)愛國將領(ling)馮子材(cai)率軍(jun)痛殲入侵法軍(jun)于此(ci)。清光緒年(nian)間(jian)(1875-1908年(nian)),廣西提督(du)蘇元春(chun)又在關(guan)(guan)兩側山(shan)上(shang)筑炮(pao)(pao)臺(tai)、營壘(lei)防守(shou)。1965年(nian),友誼(yi)關(guan)(guan)改(gai)建(jian)為拱式門和(he)三(san)(san)層關(guan)(guan)樓(lou)。額書“友誼(yi)關(guan)(guan)”為陳(chen)毅所書。此(ci)外,友誼(yi)關(guan)(guan)西側有(you)金雞山(shan)炮(pao)(pao)臺(tai),是中(zhong)法戰爭紀念地舊址。中(zhong)法戰爭后提督(du)蘇元春(chun)為鞏固邊陲,用(yong)石材(cai)砌成鎮(zhen)南(nan)(nan)(nan)、鎮(zhen)中(zhong)、鎮(zhen)北三(san)(san)座炮(pao)(pao)臺(tai),裝(zhuang)炮(pao)(pao)三(san)(san)尊(zun),炮(pao)(pao)臺(tai)上(shang)有(you)指(zhi)揮所,下有(you)臥室(shi)、彈藥(yao)庫、地下室(shi),并有(you)石墻與(yu)友誼(yi)關(guan)(guan)樓(lou)相連。