If you have 7 days to spend in Cambridgeshire, there are plenty of things you can do:
Visit the University of Cambridge and its colleges such as King's College and Trinity College. It will take about half a day to get around each individual college.
Go punting on the River Cam and take in the beautiful surroundings. This will take around 2 hours.
Visit the Fitzwilliam Museum and explore its vast collection of art and artefacts. It will take around half a day to visit the museum.
Take a trip to Ely Cathedral, a beautiful medieval cathedral. This will take a full day including travel time.
Explore the Wimpole Estate, a large countryside estate with a mansion, gardens, and farm. This will take around half a day.
Head to the Imperial War Museum Duxford and view its large collection of aircrafts. This will take around half a day including travel time.
Visit the Cambridge Botanic Garden, a stunning place to explore. This will take around half a day.
For places to stay, options include the Hilton Cambridge City Centre, University Arms Hotel, and Varsity Hotel & Spa. Another option is to stay in a countryside bed and breakfast or cottage, such as Rectory Farm or the Rosewood Pavilion.