(Thanks to Claire Rowsell for putting together the links.)
Weekend Special EventsOxford Attractions
Oxford Story - is a special ride you go on which tells the history of Oxford (it's a nice introduction).
University Museum - has lots of dinosaurs and dodos. (Voted most family friendly museum) FREE
Pitt Rivers Museum - anthropology museum - has shrunken heads and lots of other strange artefacts FREE
Ashmolean Museum - Art and archeology FREE
Walking tours - The tours tart in the city centre. On Saturday evenings (I think) they have a ghost tour visiting Oxford's haunted spots. It starts close by to where 3 Protestant church leaders were burnt at the stake in the 16th century.
Woodstock (outside Oxford 5 miles)
Blenheim Palace - Expensive but worth a visit