This is actually a monastery that has been turned into a museum/conference center. It is the only preserved monastery from the Middle Ages in Norway and it is located on the island of Mosterøy near Stavanger. On the trip you will pass through the Rennfast tunnel. The ad says: 'gnashing and pounding waves, sheltered coves, naked cliffs, lush heather carpets and a vivid play of colours - the outward-looking coastal region that carries the Rennfast link offers intense and charming experiences. Being able to cross a fjord 223 metres under the surface makes those experiences even more memorable.' Be aware of the fact that the road out to Mosterøy is a toll road.
It has not only been a monastery by the way. King Harald Hårfagre used this place as his home after the battle of Norway in Hafrsfjord in 872 A.D.
Check out this link for more pictures from Utsien Kloster:
http://stavanger.clickwalk.no/s/stavanger_cw/l98v4s3g2. You can also check out their website http://www.utstein-kloster.no or get in touch with them on utstein@online.no