Book: Taj Mahal (german) The emperor Shah Jahan built the Taj Mahal to immortalize his beloved queen Mumtaz Mahal and in so doing, gifted Mughal architecture with its greatest showpiece. Constructed entirely in white marble, the famed mausoleum stands on the gently curving banks of the river Yamuna in Agra. Its romance has survived for more than three hundred years and it remain one of the wonders of the world