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.
Oslo Police Museum
Oslo Police Museum () is a Police Museum in Oslo, Norway. The museum was established in 1902. Until 1973, it was known as the Criminal Museum ("Kriminalmuseet") . The museum documents the history of police work in the city of Oslo. The museum is housed at the Oslo Central police station "(Sentrum politistasjon") located at Hammersborggata 12 in the central Oslo neighborhood of St. Hanshaugen. Other police museum in Norway are maintained in Trondheim and Bergen.