The whole worlds heard of Windsor Castle. Not surprisingly, since its the worlds oldest and largest occupied castle. Of course, its the Official Residence of Her Majesty The Queen. With a rich history spanning almost 1000 years, theres plenty to take in across its nearly 13 acres. Magnificent State Apartments furnished with royal treasures, St Georges Chapel, the burial place of ten monarchs andQueen Marys Dolls House, a masterpiece in miniature.