The Southern Actor is a preserved whale catcher, the kind of vessel that made Sandefjord one of Norway's great whaling ports. It is not a romantic ship so much as an industrial one, and that honesty is what makes it interesting.
Seen with the Whaling Museum or harbour, the vessel helps explain the wealth, risk, and brutality behind the town's maritime history. Check opening and sailing days before you go, since access can be seasonal and event-based.