Many famous buildings in Chicago are renowned ... the building was known as the most beautiful and distinctive office building in the world and has become a beloved Chicago landmark.

Twisted Buildings of the World: The newest craze in the architecture ... The trend of twisted buildings started in the year 2005 when the famous Spanish architect Santiago Calatrava designed ...

Shanghai Tower, Shanghai, China. At 630 metres, this tower is currently China's tallest and also the tallest spiral shaped building in the world. Zifeng Tower, Nanjing, China. China's third ...