Old Aker Church
Old Aker Church () is a medieval era church located in Oslo, Norway. An active parish, the church is the oldest existing building in Oslo. The church is surrounded by Old Aker Cemetery.
Grotten
Grotten (Norwegian: "Grotto") is a nineteenth-century building located on the premises of the Royal Palace in the city centre of Oslo, Norway. Grotten is an honorary residence owned by the Norwegian state.