I visited one of the museums in Oslo and saw the ship. It sure was impressive. It's a great museum. Can't remember the name of it though. Darn.
If you mean the name of the museum, it is the Viking Ship Museum. If you meant the ships, they are the Oseberg, Gokstad and Tune.
There's one that's the Folk Museum, I think. It has a lot of older homes in "Gamle Norge" display there. I took a bunch of pictures. Also went to Vigelund Park. Those statues are something else. Wow.