High Quality Content by WIKIPEDIA articles! Valhalla Swimming Hall is a swimming hall located in Gothenburg, Sweden. Valhalla was officially opened on December 6, 1956, by Gothenburg's municipal commissioner Torsten Henriksson. Valhalla was designed by Nils Olsson, the design was awarded with a bronze medal at the Olympics in architecture in 1948. The work was completed by Gustav Samuelsson in 1956 after Olsson's death. Upon completion at 67 000 m³, Valhalla was the biggest and most modern swimming facility in Sweden. The interior decoration of 700 square meters (7 535 square feet) was made by local painter Nils Wendel.