Enjoy a full day tour in and around oslo visit oslo opera house with a rooftop view of the city and the fjord experience the fantastic city view for the hillside at ekeberg above the city drive through the scenic nature and forest along the fjord after a 30 minute drive you board a ferry to the island and fortress oscarsborg here you have the opportunity to learn the rich history of the fortress especially the events that took place in the start of wwii the nature on the island is also