Phil visits the opulent, palatial Chatsworth House in Derbyshire, in all its gilded glory, and lends a hand with one of several ground-breaking garden features.
Phil visits Hampton Court Palace, once the home of King Henry VIII, and explores its labyrinth of rooms to discover how it was built and how much it cost to construct.
Phil visits 900-year-old Leeds Castle in Kent, known as 'Lady's Castle'. He discovers that there's more to this mysterious and history-laden fort than he imagined.