The term 'iconic building' can be summarized by the crossword solution 'SHRINE, ' which is a six-letter word. A SHRINE is a holy or sacred place dedicated to a specific deity, ancestor, hero, martyr, saint, or similar figure of awe and respect. Shrines often contain idols, relics, or other such objects associated with the figure being venerated. Shrines are found in many religions and are often visited for prayer and pilgrimage.