
Shocked to see the Taj Mahal on this list? Well, the epitome of love which was built over a span of 20 long years has a few mysterious doors locked for no one to enter. It has a total of 1089 rooms but that are some rooms that are hidden from everyone. Their locked doors made us wonder what was there. Among the various theories, one is that the rooms are made up of marble and too much exposure to carbon dioxide could turn it into calcium carbonate. As a result, the four towers. around the Taj Mahal may collapse. For the same reason, there is no ventilation in these rooms. Another theory is that Mumtaz Mahal is buried there in one of those rooms, those who believe in this theory are of the view that the dead body of Mumtaz Mahal is present there in the same condition in which she was when she died. Could you believe that the Taj Mahal has Romantic notions attached to it could be mysterious enough to leave you bewildered!