Taj Mahal
The provided text describes the Taj Mahal, a white marble mausoleum in Agra, India. It was built by Mughal emperor Shah Jahan in memory of his wife, Mumtaz Mahal. The text details the Taj Mahal's architecture, including the tomb, gardens, and outlying buildings, and its history, construction, and cultural significance. It also mentions current threats to the structure and the impact of tourism.