Old Aker Church
The oldest building in Oslo, dating back to the mid-1100s, currently undergoing renovations.
Gol Stave Church
One of the few remaining stave churches in Norway, dating back to the 12th century, featuring intricate carvings.
Oslo Cathedral
An imposing edifice originally commissioned in the 12th century, rebuilt in 1694 after a fire, and restored in the 19th and 20th centuries, offering historical and architectural significance with no admission fee.
St Olav’s Church
One of the two most famous churches in Oslo, described as more colourful than the cathedral.