Old Aker Church
Old Aker Church was built as a three-naved Romanesque style basilica and constructed from limestone. It is believed to have been erected by King Olav Kyrre in 1080 as a church for all of Vingulmark, the historic area surrounding Oslo. The grounds of Old Aker Church were originally likely the former site of the regional thing during the pre-Christian period.
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.