Tower of London
London,
United Kingdom
London Tower (His Majesty's Royal Palace and Fortress, Tower of London) is a fortress on the northern bank of the Thames, the historical center of London, one of the oldest buildings in England, and one of the main symbols of the United Kingdom, holding a special place in the history of the English nation. Originally built as a defensive castle, it later served as a zoo, mint, arsenal, prison, observatory, and the storage of the Crown Jewels. In 1988, it was added to the UNESCO World Heritage List.