Taj Mahal is onw of the seven wonders in the world.It is situated on the banks of yamuna river.It was built by Shah jahan for his beloved wife Mumtaz.It is believed that after completion of work of Taj Mahal Shah Jahan ordered his soldiers to cut the hands of The workers who constructed this strucutre So that no Structure like this is made in future.The workings on white marbles is amazing this ancient structure is very amazing but due to increasing pollution the river is getting polluted and also acid rains takes place due to which the shining of this white marbles is decreasing day by day, many efforts are being taken by indian government to reduce the pollution and maintain the structure.The monument is situated in agra for visiting this monument one has to first enter the Bulan Darwaza.Once you enter this place you will find many tourists, you have to be always alert when visiting this place because you will find many pick-pockets and theives who try to steal things from you