The document provides information about the Taj Mahal, considered one of the most beautiful buildings in the world. It was built by the Mughal emperor Shah Jahan between 1632-1653 in the city of Agra, India as a mausoleum for his beloved wife Mumtaz Mahal. The Taj Mahal is a white marble mausoleum located on the southern bank of the Yamuna River and is a UNESCO World Heritage Site, renowned for its architectural symmetry and beauty.