The well preserved museum interior (1846-1847) houses displays of the diverse collections and the museum library, while the newly restored Georgian Hudson Wing has a temporary exhibition gallery and a new permanent display on the changing landscapes of the Fens. Collections include geology, archaeology, local maps, photographs, archives, parish and manorial records, zoology, decorative and fine art. Houses collection donation by Chauncy Hare Townshend - including treasures such as Napeleons breakfast service and the original manuscript of Dickens, Great Expectations.