All over the world, there are some very unique buildings that have been abandoned and left in ruins.In North Korea, there is a 107-story, pyramid-shaped hotel that has never been opened to the publicdespite its central location.In Turkey, there is a completely abandoned community of 300 miniature castles that were meant for the wealthy.Not every business move is the smartest decision, especially when it comes to real estate.All over the world, people have built truly wild homes, hotels, and resorts that are no longer in use and now abandoned. Whether it be for economic, financial, or unexplained reasons, these truly bizarre places have now become dilapidated monuments that hint at their former, unique selves.Keep reading to see some of the best out-of-the-box structures left in ruins.SEE ALSO:10 abandoned mansions around the world that likely used to be worth millionsThe Sutyagin House is often considered one of the tallest wooden houses in the world.Entrepreneur Nikolai Petrovich Sutyagin started building the large wooden home in 1992, and it reached 144 feet with 13 stories. It took over 15 years to build the structure in Arkhangelsk, Russia. At its completion, some called it the "eighth wonder of the world."Sutyagin said the impressive height of the house was a "happy accident."First I added three floors but then the house looked ungainly, like a mushroom, Sutyagin told the Daily Telegraph in an interview. So I added another and it still didnt look right so I kept going. What you see today is a happy accident.When Sutyagin was in prison for racketeering, the house remained abandoned and began to fall apart.While the house was abandoned for years, it was eventually deemed a fire risk. Parts of the home were taken down in 2009 to reduce the risk. However, what was left was actually destroyed in a fire in 2012.See the rest of the story at Business Insider Click here to read full news..