Relax on this mini boat cruise around Oslo's harbor and the northern end of the Oslofjord. Oslo is a beautiful city with a lovely setting on Oslofjord, and this 90-minute cruise is a great and economical way to enjoy it. Cruise toward the ancient fortress of Akershus, which was used to protect Oslo from sea attacks. Stop at the Oslo Opera House, and pass by the city's many museums on the Bygdøy peninsula. The cruise includes an onboard audio guide that will inform you of the many sights you will see from the boat.