Royal Fortress
5/5
Tower of London
Founded by William the Conqueror in 1066 along the River Thames, the Tower of London is one of the world's most famous royal fortresses, historic prisons, and execution sites. Renowned for its nearly 1,000 years of royal intrigue, tragic imprisonments, and high-profile executions, the UNESCO World Heritage Site is celebrated as one of England's most ghostly and historically rich landmarks.