To most modern-day passersby, the clock tower of Budolfi Church in Aalborg, northern Denmark, might seem innocuous—just another church spire blending into the cityscape. But only a few centuries ago, it was the center of sinister legends and whispered fears. At one time, the townsfolk believed the Devil occupied the belfry opening, with a lair large enough for a man to lie down in. Dreading this unwelcome resident, locals avoided the spot. When the tower’s fire watchmen needed to signal a fire, they used an extra-long pole to place a…
