Lawang Sewu, meaning "Thousand Doors," is a historic building in Semarang, Indonesia, built by the Dutch in 1904-1907 as the Het Hoofdkantoor van de Nederlandsch-Indische Spoorweg Maatschappij or the headquarters for the Dutch East Indies Railway Company. Known for its Gothic and Art Deco architecture, it features many doors and large windows. During WWII, it was used as a prison by the Japanese. Today, it’s a restored cultural landmark and tourist spot, famous for its history and rumored hauntings.