The Monticello visitors see today is a house Jefferson never saw but only dreamed of. It was never finished in his lifetime, or even in really good shape. For fifty-four years Jefferson inhabited a building site. “Putting up and pulling down is one of my favorite amusements,” he remarked cheerfully, and it was just as well, for he never stopped tinkering and messing. Because the work was so protracted, some parts of Monticello were actively deteriorating while others were still abuilding.