The London Attraction perhaps people visit the most and like is the Tower of London.It has been there for 900 years in London serving as a Royal Palace, jail, execution place, Fortress, the Royal Mint and the place where England's Royal jewels are kept. The Crown Jewels kept here includes the Imperial State Crown used by the Queen at the opening of Parliament. Cullinan 1,one among the world's largest diamonds and the Koh-i-noor are kept in the Jewel House dating from 1660.its a living place where around 200 people - mostly the Royal Guards called Beefeaters live.They can provide a very interesting insight into the place through a guided visit.