The ferry to the Bygdøy peninsula operates April-October.
Departure every 20/30 minutes from Pier 3 by the City Hall.
1. stop: Dronningen (Norwegian Museum of Cultural History (Folk Museum), Viking Ship Museum and Oscarshall).
2. stop: Bygdøynes (Kon-Tiki, Fram and Norwegian Maritime Museum).
The same tickets are valid on the ferries as on other public transportation in Oslo.
Free with the Oslo Pass.