Head to Oscarsborg Fortress Museum and find out about its role in defending against attacks and invasions. This structure has witnessed some fascinating history in its time.
This Frogn history-filled fortress is an interesting spot to begin your day of sightseeing. There's loads to do and see nearby, such as Norwegian Outlet, Norwegian University of Life Sciences, and Drobak Aquarium. Wander around at your leisure at Oscarsborg Fortress Museum before making tracks to these other fine sights.