With its fascinating history, The Tower Of London is a must for those who are visiting as well as those who live in London. It was built by William The Conqueror and dates from 1708. Since then it has been a zoo, a prison and a royal residence. The admission prices to visit the Tower of London, home of the Crown Jewels and the Yeoman Warders, range from ten pounds fifty for adults to six pounds ninety for children under 15. Guided tours are available.