The Iron Pagoda of Youguo Temple is the most visually striking monument in Kaifeng — thirteen octagonal stories, 54 metres tall, its exterior faced with glazed bricks in an interlocking pattern that gives the whole surface a lustrous, almost metallic appearance. Built in 1049 during the Northern Song dynasty, it is one of the finest examples of Song-dynasty ceramic architecture, and its extraordinary state of preservation after nearly a thousand years of Yellow River floods and seismic events is testament to the quality of its original construction.
The bricks are remarkable close up: each is moulded with a relief figure — Buddhas in meditation, apsaras in flight, musicians, lions, dragons — arranged in registers across the surface. From the street the detail blurs into texture; moving close you can read individual stories in the iconography. Entry (¥20–30) allows climbing to the fourth floor via steep interior stairs; the upper floors have been closed for preservation. The surrounding temple grounds contain some older trees and give you the best full view of the pagoda's unusual proportions.