The Tower of London is one of the most important historical sites in the world, one of the most famous tourist attractions in London and a UNESCO World Heritage Site. It was built by William the Conqueror in 1078 to protect and defend the city. It is made up of three concentric rings which enclose towers, walls and a palace. The White Tower, at its centre, is one of the most spectacular structures in England and a symbol of the history of London. Inside, visitors can explore the Royal Armouries, the Medieval Palace, the Crown Jewels, the Wakefield Tower and the execution site of three English Queens. There are many guided tours available to explore this majestic fortress and its historic treasures. The Tower of London is an absolute must-visit for anyone travelling to London!