連城要塞遺址和友誼(yi)關全國重點文物保護(hu)單位(wei),近現(xian)代(dai)有代(dai)表性的邊關建(jian)筑。位(wei)于(yu)廣西壯(zhuang)族(zu)自(zi)治(zhi)區北海(hai)市(shi)、防(fang)城港市(shi)、寧(ning)明(ming)縣、憑祥(xiang)市(shi)、龍州(zhou)縣、大新縣、靖西縣、那坡縣。
明(ming)清(qing)時代南方(fang)邊(bian)防(fang)(fang)連(lian)城(cheng)要(yao)塞遺址自東而西分布(bu)在北海(hai)、防(fang)(fang)城(cheng)至崇左、百色一線。主要(yao)有(you)(you)憑祥(xiang)市北3公里(li)處的大(da)(da)(da)連(lian)城(cheng),清(qing)光緒十(shi)一年(nian)(nian)(1885年(nian)(nian))廣(guang)西提督蘇(su)元(yuan)春在此設大(da)(da)(da)本營,沿山脊山峰連(lian)續修(xiu)筑(zhu)城(cheng)墻、炮(pao)臺,故名大(da)(da)(da)連(lian)城(cheng),城(cheng)內(nei)有(you)(you)練兵場(chang)、跑馬場(chang)、軍事(shi)指揮(hui)部“白玉洞”,現城(cheng)墻、碉堡(bao)尚存。又有(you)(you)北海(hai)市鐵(tie)山港(gang)區營盤鎮(zhen)的珍(zhen)(zhen)珠(zhu)(zhu)城(cheng),又名白龍城(cheng),建于明(ming)洪(hong)武(wu)年(nian)(nian)間(jian)(1368-1398年(nian)(nian)),城(cheng)墻中(zhong)間(jian)用珍(zhen)(zhen)珠(zhu)(zhu)貝殼摻和(he)黃泥(ni)夯筑(zhu),故名珍(zhen)(zhen)珠(zhu)(zhu)城(cheng)。城(cheng)垣(yuan)表面砌青磚,長1106米,高(gao)6米,東西南北設門及城(cheng)樓(lou),登城(cheng)可瞭(liao)望全(quan)城(cheng)和(he)大(da)(da)(da)海(hai)。還有(you)(you)龍州(zhou)縣城(cheng)西北5公里(li)將山上的小(xiao)連(lian)城(cheng),也(ye)是(shi)清(qing)光緒十(shi)一年(nian)(nian)廣(guang)西提督蘇(su)元(yuan)春所(suo)建,沿山巔筑(zhu)城(cheng)墻、設炮(pao)臺,山峰間(jian)石墻連(lian)環(huan),內(nei)有(you)(you)工事(shi)、兵房、火(huo)藥庫。主峰有(you)(you)德國造(zao)大(da)(da)(da)炮(pao)一尊,其余山峰也(ye)有(you)(you)軍事(shi)設施。半(ban)山石洞內(nei)保元(yuan)宮(gong)是(shi)軍事(shi)指揮(hui)機構所(suo)在地,防(fang)(fang)御體系(xi)完(wan)整,為戍邊(bian)險塞要(yao)地。
著名的邊(bian)關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)友誼(yi)關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)位于(yu)憑祥市南(nan)(nan)大(da)青山與(yu)金雞(ji)(ji)嶺之間,南(nan)(nan)鄰(lin)越南(nan)(nan),是中越交通咽喉。與(yu)龍州水口關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、平而關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)并(bing)稱(cheng)(cheng)“南(nan)(nan)天邊(bian)陲(chui)三(san)(san)關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)”。初(chu)名雍雞(ji)(ji)關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、雞(ji)(ji)陵關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),后(hou)有界首關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)、大(da)南(nan)(nan)關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)等(deng)稱(cheng)(cheng)。明洪武年(nian)(nian)間(1368-1398年(nian)(nian))建關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),永樂年(nian)(nian)間(1403-1424年(nian)(nian))稱(cheng)(cheng)鎮(zhen)夷關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),清(qing)初(chu)稱(cheng)(cheng)鎮(zhen)南(nan)(nan)關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),1953年(nian)(nian)改(gai)稱(cheng)(cheng)睦南(nan)(nan)關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan),1964年(nian)(nian)更(geng)今名。歷(li)史上,1885年(nian)(nian)愛(ai)國將領馮子(zi)材(cai)率軍(jun)痛殲入侵法(fa)軍(jun)于(yu)此。清(qing)光緒年(nian)(nian)間(1875-1908年(nian)(nian)),廣西(xi)提督蘇元(yuan)春(chun)又在關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)兩(liang)側山上筑(zhu)炮(pao)臺、營壘防(fang)守。1965年(nian)(nian),友誼(yi)關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)改(gai)建為拱式門和三(san)(san)層關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)樓。額(e)書“友誼(yi)關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)”為陳毅(yi)所書。此外,友誼(yi)關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)西(xi)側有金雞(ji)(ji)山炮(pao)臺,是中法(fa)戰爭紀念地(di)舊址。中法(fa)戰爭后(hou)提督蘇元(yuan)春(chun)為鞏(gong)固(gu)邊(bian)陲(chui),用石材(cai)砌成鎮(zhen)南(nan)(nan)、鎮(zhen)中、鎮(zhen)北三(san)(san)座炮(pao)臺,裝炮(pao)三(san)(san)尊,炮(pao)臺上有指(zhi)揮(hui)所,下(xia)有臥室(shi)、彈藥庫、地(di)下(xia)室(shi),并(bing)有石墻與(yu)友誼(yi)關(guan)(guan)(guan)(guan)(guan)(guan)(guan)(guan)樓相連(lian)。