All four parts of the third series of the historical documentary presented by Alan Titchmarsh. The documentary follows Alan and a variety of celebrity guests as he explores all that The National Trust has to offer, and uncovers the history behind its greatest landmarks and heritage sites. The episodes are: 'Erddig Hall' 'Shugborough Hall' 'Mount Stewart' 'Dunham Massey'Alan is in North Wales to discover the story of Erddig, a grand mansion where the owners and servants enjoyed a close relationship. Nigel looks at topiary at Powis Castle and Miriam learns how servants were disciplined at Calke Abbey.