每一個(ge)歷(li)史(shi)(shi)(shi)古(gu)(gu)(gu)(gu)城(cheng)(cheng)(cheng)(cheng)、古(gu)(gu)(gu)(gu)鎮、古(gu)(gu)(gu)(gu)村落，都是(shi)有著上百年歷(li)史(shi)(shi)(shi)，至今仍保存完好的(de)(de)古(gu)(gu)(gu)(gu)建(jian)筑聚落。一個(ge)歷(li)史(shi)(shi)(shi)古(gu)(gu)(gu)(gu)城(cheng)(cheng)(cheng)(cheng)，是(shi)一個(ge)曾(ceng)經或是(shi)現在(zai)仍在(zai)的(de)(de)歷(li)史(shi)(shi)(shi)文化(hua)的(de)(de)具體表現，也是(shi)人類文明(ming)的(de)(de)共(gong)同遺產。在(zai)國內就有著如平遙古(gu)(gu)(gu)(gu)城(cheng)(cheng)(cheng)(cheng)、麗江古(gu)(gu)(gu)(gu)城(cheng)(cheng)(cheng)(cheng)、閬(lang)中古(gu)(gu)(gu)(gu)城(cheng)(cheng)(cheng)(cheng)、徽州古(gu)(gu)(gu)(gu)城(cheng)(cheng)(cheng)(cheng)等保存較好的(de)(de)歷(li)史(shi)(shi)(shi)古(gu)(gu)(gu)(gu)城(cheng)(cheng)(cheng)(cheng)。