Takaoka Castle - Credit: Wikimedia Commons
was a flatland-style Japanese castle in what is now the city of Takaoka, Toyama Japan. It was originally constructed in 1609, and was only used for a few years before being dismantled. The site of its ruins are now a park."Takaoka-Castle" J Caste http://jp.jcastle.info/castle/profile/273-Takaoka-Castle The castle is designated one of Japan's Top 100 Castles by the Japanese Castle Foundation. The ruins are protected as a National Historic Site. Read more on Wikipedia
Source: en.wikipedia.org