At Queen's House at the National Maritime Museum in Greenwich, the experts being put to the test by Griff Rhys Jones are historian Professor Kate Williams, historian specialising in European and Chinese ceramics Lars Tharp, former first sea lord Admiral Lord West, and physicist and oceanographer Helen Czerski.

At the Foundling Museum - home to an extraordinary collection of art and sculpture, often donated by the artists themselves to support Britain's first home for abandoned children - the experts being put to the test by Griff Rhys Jones are historian Professor Kate Williams, medieval art historian Dr Janina Ramirez, author and historian Dan Cruickshank, and cultural historian Dr Gus Casely-Hayford.

At the Museum of London - a collection which documents the history of London from prehistoric to modern times - the experts being put to the test by Griff Rhys Jones are historian Dr Suzannah Lipscomb, historian specialising in European and Chinese ceramics Lars Tharp, author and social historian Hallie Rubenhold and historian and presenter Dan Snow.