Oslo Fjord Sauna - Oslo, Norway 

Oslo Badstuforening - The charming raft Måken floats on the fjord in Bjørvika. not far from the Opera House. It was built by a group of hard-working sauna enthusiasts from recycled materials and driftwood rescued from the fjord. The sauna can house twelve people at a time, and there is even a hatch in the middle of the floor that leads straight down into the water.