The Taj Mahal is considered to be one of the wonders of engineering of the modern world. It is a beautiful building which is said to be the proof of the love of an emperor for his wife. The Taj Mahal stands on the side of River Jamuna in Agra. Agra is one of the most populous and important tourist destinations in India. The Taj Mahal was constructed by the Mughal Emperor Shah Jahan. Shah Jahan was deeply in love with his wife Mumtaz Mahal. They lived a very happy and long married life. After Mumtaz Mahal died, Shah Jahan ordered the engineers to build a mausoleum for her, which was to be the most beautiful and peaceful place for her to rest. The engineers paid all due attention towards even the most minor details and built a mausoleum which is considered to be one of the Modern Wonders of the world. The engineering of this building is unique and there are many features in Taj Mahal Agra which are still not clear to those who know how buildings were constructed in those days. The engineering of Taj Mahal is sophisticated in comparison to the engineering facilities which existed in those days.