We know that the Taj Mahal is one of the seven wonders of the world. We know who built it and for whom. We know it is the pride of our nation, India. We know a lot about it. But we don't know a lot of things about it.
If you observe carefully, you'll find that the four minarets are tilting outwards. This was done so that in the event of a natural disaster, like earthquake, the minars won't fall on the main ' gumbad ' or Dome, thereby ensuring the safety of the Tomb.
Natwarlal who repeatedly sold the Taj Mahal, has a temple on his name. The people of his native village Bangra in Bihar decided to put up a statue of him as his monument, at the place, where his house once stood.