Helen Castor is joined by the architectural writer and cultural commentator Travis Elborough and garden historian Deborah Trentham.

Tom Holland takes a ride on Brighton's new attraction, the British Airways i360, and is joined at 450 feet by Professor Fred Gray to gain new insight into the history of seaside attractions. Surprisingly, the new doughnut on a stick (as locals are describing it), offers similar experiences and challenges to those of the West Pier which opened 150 years ago.

In Norfolk, Radio 4's organic gardening legend Bob Flowerdew gets to grips with a character who, on the face of it, is his horticultural opposite. Lancelot 'Capability' Brown was born 300 years ago and Bob visits one of his masterpieces - Kimberley Hall - to ask landscape historian Professor Tom Williamson where the neatness and order of the English country house came from and what it was supposed to do for those who lived with it.

We continue our series of forgotten history heroes as food writer William Sitwell nominates the man who became famous for his pie but who also kept Britain fed during World War 2 - Lord Fred Woolton

A Pier production for BBC Radio 4.