The Open Air Museum The open-air museum includes 160 buildings from rural and urban Norway – from the Middle Ages to the 20th Century. The Open Air Museum consists of three parts. Here you can read about each individual building. King Oscar II's Collection With the unique Gol stave church dated to around 1200 The Countryside Farmsteads and buildings from different parts of rural Norway. The Old Town Buildings from Oslo and its suburbs, and from Brevik and Kragerø. Map of the Open Air Museum 1/1 Open or close caption