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.
University Botanical Garden (Oslo)
King Frederik VI of Denmark later acquired the estate and subsequently gifted the property to the University of Christiania in 1812. In 1814, work began on the University Botanical Garden. The University of Oslo's oldest building, Tøyen Manor ("Tøyen hovedgaard"), is located in the garden. . Today the historic Tøyen Manor houses temporary exhibitions and a café for staff and visitors.