When I was in India, recently, I visited both historical and modern sites and they really blew my socks of.
Everyone knows the Taj Mahal and have come to accept it has one of the historical wonders of the world, but when you see other less publicized wonders of India you tend to acknowledge that the Taj is a very lame comparison against these objects.
Let me whet your appetite with the attached photos of the unique stone-craving skills of Indian artisans.