The castle -- He didn't know whether to fear, or embrace the sunlight. How rare it shown, and yet, how brightly it lit the shadows. When things are in darkness, secrets can be kept. But light had a strange way of unearthing even the darkest truths.
Entrance to the Chamber of Snakes in the Dark Ones' Colony (notice the snake at the top of the door ;-)) The Colony is three, enormous stories high, so this fits. ~ The Blood Curse Series by Tessa Dawn (Artwork by Jae Cheol Park)