A sentry stationed in this location died of fright after witnessing a bear’s ghostly apparition emerge from a door’s threshold. An observatory in this location befouled by bird droppings was relocated to avoid accidentally triggering a kingdom’s collapse. A severed head unearthed at this location faced France (-5[1])to ward off future invaders until it was found by King Arthur; that head was the head of Bran the Blessed. Some have linked the shades of two nightgown-clad boys standing hand-in-hand to two skeletons buried beneath one of this location’s staircases. Men called the Yeoman Warders or “Beefeaters” care for this structure’s six ravens, whose last fight will herald the fall of Britain. For 10 points, the shades of Sir Walter Raleigh and Anne Boleyn (10[1])supposedly haunt what castle where they were executed? ■END■