A medieval castle and fortress that has stood since the 1300s, Akershus offers a glimpse into Norway's history. Visitors can explore its grounds, museums, and enjoy views of the Oslo Fjord, making it a popular tourist destination.A medieval castle and fortress that has stood since the 1300s, Akershus offers a glimpse into Norway's history. Visitors can explore its grounds, museums, and enjoy views of the Oslo Fjord, making it a popular tourist destination.A medieval castle and fortress that has stood since the 1300s, Akershus offers a glimpse into Norway's history. Visitors can explore its grounds, museums, and enjoy views of the Oslo Fjord, making it a popular tourist destination.