1. Diaoyutai, unmanning Dongzheng Tangshan Tang legend, it was to this city of the north side of River Mountain Watch scenery, fishing line release, said after the Diaoyutai here, names are still in use. 钓鱼台,传说唐太宗东征驻兵唐山时,曾到今大城山北侧河岸边观赏风景,放线垂钓,后这里称钓鱼台,名称沿用至今。