Sundhöllin (The swimming palace or Austurbæjarlaug), Baronsstigur, Reykjavik is the oldest public baths in Iceland. They were designed by the noted architect Guðjón Samúelsson and opened in 1937. The building's exterior is a minimialist white that is almost Art Deco in style with tall narrow rectangular windows. While inside arches on the south side of the pool and the tiled changing rooms are other notable features.