A new internet challenge called “creeping” is sweeping across social media. “Creeping” is a dangerous online trend that dares participants to spend the night at a frightening location—from crumbling cemeteries to derelict morgues. As more people join in, the competition increases—who can outdo the latest scary destination? One group of thrillseekers determines to find the most terrifying place in the world—an abandoned medieval fortress-turned-insane asylum fills the bill, bu