Maihaugen is an open air museum with 200 old and new buildings, exhibitions, cafes and lots of activities. It was founded by the dentist Anders Sandvig in 1887. Maihaugen is a part of Lillehammer museum, together with Bjørnstjerne Bjørnson's Aulestad, Sigrid Undset's Bjerkebæk, the Norwegian Olympic Museum and the Norwegian Post Museum.