Stop by briefly. If it’s merely gurgling with recorded sound effects, it’s dormant. But when least expected, it comes to life with wisecracks and sprays. Someone in an unseen booth interacts with anyone foolish enough to wander near—usually naive children. As Time magazine put it when the park opened in 1999, the fountain exasperates with “the droll sarcasm of a bachelor uncle roped into caring for some itchy 10-year-olds.” If you don’t want to get doused, check the ground for slick spots to determine the fountain’s spitting reach.