India is an amazing country, the history of its people going back several millennia. Having cradled some of the oldest known civilizations of the world, this amazingly diverse land saw the emergence of some of the mightiest empires and dynasties of the ancient and medieval world. Over a period of several centuries, numerous rulers have come and gone, leaving behind their marks in the form of a large number of historic buildings, some of which can be said to form the seven wonders of India.