Egeberg Castle

Old Aker Church (Norwegian: Gamle Aker kirke) 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.

The Cemetery of Our Saviour (Norwegian: Vår Frelsers gravlund) is a cemetery in Oslo, Norway, located north of Hammersborg in Gamle Aker district. It is located adjacent to the older Old Aker Cemetery and was created in 1808 as a result of the great famine and cholera epidemic of the Napoleonic Wars. Its grounds were extended in 1911. The cemetery has been full and thus closed for new graves since 1952, with interment only being allowed in existing family graves. The cemetery includes five sections, including Æreslunden, Norway's main honorary burial ground, and the western, southern, eastern and northern sections. The Cemetery of Our Saviour became the preferred cemetery of bourgeois and other upper-class families. It has many grand tombstones and is the most famous cemetery in Norway.

St. Sunniva School (St. Sunniva skole) is an independent Roman Catholic school located in the centre of Oslo, Norway. The school was founded by the Sisters of St. Joseph from Chambéry in the Rhône-Alpes region in south-eastern France. Founded in 1865, it was part of an effort to restore Roman Catholicism in Norway. Queen Josephine, consort of Sweden and Norway, was an ardent supporter of the school. Her sister Queen Amélie, Empress of Brazil, also provided support.The school was owned and operated by the Sisters of St. Joseph for 140 years. Since 1 August 2005, it has been owned and operated by the Catholic Diocese of Oslo (Oslo Katolske Bispedømme). The school averages 540 students between the first and tenth grade.

Galleri Rom is an architectural gallery in Oslo, Norway. The "room" for art and architecture is an independent center operated by private owners with support from the Royal Norwegian Ministry of Culture, and is located at Maridalsveien 3.The gallery was founded in 1986 by the Norwegian architect Kjetil Trædal Thorsen. It is the leading architectural gallery for Norwegian architecture, specializing in experimental architecture, visionary architecture, architecture which integrates socio-political approaches, and research in urban living, as well as architecture inspired by the theater, literature, stage, and other art media. Its objectives include: Providing a venue in which ideas and theory about space and the use of space can be explored pragmatically, with focus on both process and experimentation. Exploration of the intersection between architecture and art. A meeting place for creative people to communicate through exhibits, courses, lectures, debates and workshops.Galleri Rom fosters art and architecture discussions across disciplines. They encourage research and experimentation in the design of space, use of decoration, and studies of public space. The work to enable dialogue among technical and artistic groups (architects, painters, artists, craftsmen, landscape architects and furniture designers) as well as the broader community.Since 2005 Henrik der Minassian has served as the Chief Executive Officer for the room for art and architecture in Oslo. Under his direction the gallery has sponsored projects for researchers at both art and architecture colleges in Norway since 2005.

The Roman Catholic Diocese of Oslo (Latin: Osloënsis) is an exempt diocese located in the city of Oslo in Norway.

St. Olav's Cathedral (Norwegian: Sankt Olav domkirke) is the cathedral of the Roman Catholic Diocese of Oslo and the parish church of St. Olav's parish in Oslo, Norway. The cathedral has church services and masses in Norwegian and several other languages, including English and Polish.

Hausmania is a self-managed social centre and cultural house (Norwegian: Kulturhus) in Oslo, Norway. It was squatted in 1999 by a group of artists and run based on collectivist ideology. It is located alongside other squats at Hausmannsgate 34, in a zone designated as a cultural quarter. Hausmannsgate 42 was evicted in 2016. The centre hosts artist ateliers, a theatre, galleries, an internet space, a vegan café and a legal graffiti wall. Nearby are Kafe Hærverk and Vega Scene.

The Norwegian Museum of Decorative Arts and Design (Norwegian: Kunstindustrimuseet) is a museum in Oslo, Norway. Its collection includes clothing, textile, furniture, silver, glass, ceramics, and handicrafts. Since 2003, the museum has been administratively a part of the National Museum of Art, Architecture and Design (Nasjonalmuseet for kunst, arkitektur og design).

St. Edmund's Church is a small church in Møllergata in Oslo, Norway. It was built in 1883–84, and is home to the Norwegian congregation of the Church of England. The church was consecrated by the Bishop of Fulham on 27 July 1884. Queen Maud used to visit this church, and there is a bust of her in the church, which otherwise is adorned with stained glass windows. The church has a modest size. While churches often dominate their surroundings and towers stretch over neighbouring buildings, this church is modestly squeezed between larger buildings. It is said, however, that it came more into its own after some old buildings around it were demolished. The church has – despite its small size – the shape of a cathedral. It was designed by architect Paul Due and Bernhard Steckmest, in yellow and red brick in a simple, neo-Gothic style. The church was restored in 1990, and the tower was then replaced with a new one of roughly the same shape and size as the original.

The National College of Art and Design (Norwegian: Statens håndverks- og kunstindustriskole) was established in 1818. In 1996 the National College of Art and Design became part of Oslo National Academy of the Arts (Kunsthøgskolen i Oslo, KHiO).

Blå ("Blue") is a jazz club in Grünerløkka, Oslo, Norway. Blå opened on February 28, 1998; the initiators were Kjell Einar Karlsen and Martin Revheim. It is located in factory building close to Akerselva, a river running through downtown. Darwin Porter of Frommer's describes the club as "the leading jazz club to Oslo. Dark and industrial, with lots of wrought iron and mellow lighting, this place books some of the best jazz acts in the world. The crowd is a mix of young and old, dressed in casual, but sophisticated attire." Despite this, the club has also featured other music genres, such as pop, rock, electronic and hip-hop.

Trinity Church (in Norwegian, Trefoldighetskirken), is a church in the Hammersborg neighborhood in central Oslo, Norway. Trinity Church is neighbor of the government buildings in Regjeringskvartalet. It is the parish church of the parish of Trinity, belonging to the Diocese of Oslo of the Church of Norway. It is one of the largest churches in Oslo (1000 seats). The church itself is in the raw red brick, while the vaults, arches and small columns have gray scale color. The nave is octagonal with a Greek cross superimposed, with the choir in the apse, shallow transept and rectangular entrance flanked by two slender, octagonal bell towers. A central dome rises above the church. Trinity Church is the largest church in Oslo and one of the largest of the many octagonal churches in Norway, but one of few octagonal churches constructed in red brick.