Baku, April 5, AZERTAC Hằng Nga guesthouse popularly known as the “Crazy House” is an unconventional building designed and constructed by Vietnamese architect Dang Viet Nga in Da Lat, Vietnam.Described as a “fairy tale house”, the building's overall design resembles a giant tree, incorporating sculptured design elements representing natural forms such as animals, mushrooms, spider webs and caves. Its architecture, comprising complex, organic, non-rectilinear shapes, has been described as expressionist. Nga has acknowledged the inspiration of Catalan architect Antoni Gaudí in the building's design, and visitors have variously drawn parallels between it and the works of artists such as Salvador Dalí and Walt Disney. Since its opening in 1990, the building has gained recognition for its unique architecture, being highlighted in numerous guidebooks and listed as one of the world's ten most “bizarre” buildings in the Chinese People's Daily. Crazy House is known as one of the most strange buildings in the world. When you enter Crazy House, you will instantly feel a cool, fresh air as if you were in a forest. Visiting Crazy House is taking a journey in giant tree trunks with the small winding paths. The tree trunks are connected by the tree branches. You won’t know where these branches may lad. They can take you closer to the sky - the top of Crazy House or they can take you to the ocean - a room with 3D painting of sea creatures.Crazy House is so much more than a building. It represents for the artistic freedom. It is also a venue for tourists who want to experience something different. And more importantly, it presents the beauty and the magnificence of nature, and we can feel free to enjoy, explore nature but we have to save it.