A unique geological phenomenon known as Danxia landform. Observed in several places in China. This example is located in Zhangye, Province of Gansu. The color is the result of an accumulation for millions of years of red sandstone and other rocks.
Iguazu Falls (Iguassu or Iguacu) are the biggest waterfalls in the world. Iguazu falls consist of 275 separate falls and is actually bigger than Niagara Falls. It's located on the Border of Paraguay, Argentina and Brazil. (Photo by David Rochas).