Dateline: On Assignment S01E04 - Heir B&B

Cynthia McFadden gets a rare behind-the-scenes look at Althorp, the childhood home of Princess Diana. The Spencer family is opening the doors to the 500 year-old mansion that features a history of noble guests and a world-class art collection among 100,000 square feet in order to raise funds for Whole Child International, the charity started by Countess Karen Spencer, American wife of Diana's brother, Earl Charles Spencer.