Gammel ruin is a historical landmark located in Oslo. The ruin dates from the Middle Ages and represents an important part of the city's cultural heritage. It has been the subject of several archaeological investigations, which have uncovered interesting finds that provide insight into Oslo's early history.
The landmark attracts visitors interested in history and architecture. It provides an opportunity to reflect on the city's development over time. Gammel ruin is also a popular place for photography, and many take the opportunity to take pictures of the old walls in a scenic setting. The ruin is a testament to the past and helps to preserve history for future generations.