The team go on location to film travelogues on a particular theme: Cities (twice); Historical figures and their homes (twice); Islands; Twin towns; Great rivers.The team go on location to film travelogues on a particular theme: Cities (twice); Historical figures and their homes (twice); Islands; Twin towns; Great rivers.The team go on location to film travelogues on a particular theme: Cities (twice); Historical figures and their homes (twice); Islands; Twin towns; Great rivers.