9 Hidden Easter Eggs to Look For While Waiting in Line For Disney's Haunted Mansion

In the queue, you'll pass the mausoleum of Prudence Pock — a poet who died of writer's block, according to her memorial stone. You'll see what appears to be carvings of library book stacks — but the books in these carvings keep popping in and out of their positions. Guests can try to push the books back in faster than they pop out.