Julie visits Inveraray Castle in Scotland, the seat of the Dukes of Argyll, chiefs of Clan Campbell. Duke and Duchess give Julie a tour, show her how they run the estate, and invite her to the traditional Highland Games they host.
Julie is in Floors Castle in south-east Scotland, the seat of Duke of Roxburghe. She learns about the American heiress who lived there, the butler's job, race horse breeding, shortbread making and the International Horse Trials held there.
Julie visits Holdenby House (pronounced Holmby), the only surviving part of Holdenby Palace, where king Charles I was imprisoned during the English Civil War. She learns about him, art restoration, falconry, corsets and church organ music.
Julie visits Boughton House, seat of her husband's cousin the Duke of Buccleuch, to learn more about the Montagu family tree and see the play about Ignatius Sancho, the first black voter in England secretly educated by the duke's ancestor.
Julie is in Doddington Hall, an Elizabethan manor house owned by her enterprising friends, who show her how they pay for the estate's pricey upkeep using methods of the hospitality industry and by selling their own products there.
Julie visits Sudeley, an ancient castle notable for its garden, pheasant refuge, romantic weddings, and for being the place where Queen Elizabeth I's epic garden party was held, and King Henry VIII's wife Queen Catherine Parr was buried.
Julie explores Newby Hall and its magnificent gardens, learns about the royal lottery winner who turned the house into a breathtaking art museum, takes a miniature train ride, tries out the royal jewels and sees Charles II's enormous IOU.
Julie visits her friend's family's 19th century castle to learn about the various ways they cover the upkeep cost, Queen Mary's bed, their temperance ancestor, steam engine fair, ancient mill, cricket team, and Land Lover testing grounds.