The official name is Hang Nga Guesthouse and gallery, but all locals refer to it as the crazy house. And when you stand in front of its entrance it is easy to see why: this house is indeed strange. It does not comply with any convention about house building, has unexpected twists and turns, roofs and rooms. It looks like a fairy tale castle, it has enormous “animals” like a giraffe and a spider, no window is rectangular or round, and it can be visited like a museum. In the middle of Vietnam, up in the hills, someone has built a crazy house. – The Age Online … It’s the Crazy House, by architect Hang Nga. Hang Viet Nga is the architect’s full name and she … folklore and free-form. Crazy House is also her home, still under.