didn't always know about – from historic facts at the Tower of London to a garage in Whitehall that was used as the Ministry of Magic in the "Harry Potter and the Deathly Hallows: Part 1" movie.

1. Valuables have been kept in the keep since the 1100s When you think of the Tower of London, one of the first things likely to pop into your head are the Crown Jewels. Before 1649, the important ...