Have you ever wondered what exactly goes on inside 1600 Pennsylvania Avenue? Sure, the president of the United States works and resides there, but do you know who helps keep this historic house running?It’s no simple task, especially when there are important state events and foreign dignitaries - in addition to presidential pups, mischievous children, and even a couple of ghosts. And its Residence workers and first ladies make sure everything is in check and running smoothly.