20. Zhangye Danxia Landform, Gansu, China
The Gansu Zhangye National Geopark, is located in Sunan and Linze counties within the prefecture-level city of Zhangye, in China. It covers an area of 322 square kilometers (124 sq mi). The site became a quasi-national geopark on April 23, 2012 (provisional name: Gansu Zhangye Danxia Geopark). It was formally designated as ″Gansu Zhangye National Geopark″ by the Ministry of Land and Resources on June 16, 2016 after it has passed the on-site acceptance test. Known for its colorful rock formations, it has been voted by Chinese media outlets as one of the most beautiful landforms in China.