Westminster Hall is an iconic architectural masterpiece located in the Palace of Westminster in London, England. It was originally built over a thousand years ago and later modified in the 1300s with the addition of oak vaults. This historic hall has served various functions over the centuries, including being used as a court of justice and the lying-in-state location for late members of the royal family before their state funerals. It holds great significance in English history and remains a symbol of architectural and historical importance.