Helsingborg is one of Swedens premiere towns when it comes to the range of culture it provides. There are alot to choose from - historical buildings, museums, gardens, theatre, conserts, galleries, libraries, cinemas and guided citytours. The best-known tourist goal is the Sofiero castle, built in 1885 by Crown Prince Oscar and his wife Sofia. The castle grounds are renowned for their rhododendron plantations. Fredriksdal's Open Air Museum (Fredriksdals friluftsmuseum) covers a large area in the central part of the town and was originally an 18th century mansion. The museum is famous for its botanical gardens and its work in preserving rare plants and animals. The tower Kärnan situated on the heights above the main square (Stortorget) is the remains of the castle which was situated in Helsingborg from the early Middle Ages until 1676 when most of the castle, with the exception of Kärnan, was pulled down. The Maria Church (Mariakyrkan) is from the 14th Century and was visited in the Middle Ages by many fishermen who fished herring in Øresund. Helsingborg's Concert Hall (Konserthuset) from 1932 is one of the finest examples of Swedish functionalism and is rated as a protected building. The Concert Hall, home scene of internationally renowned Helsingborg's Symphony Orchestra (HSO), can seat more than 900 people.