09. Pamukkale, Turkey
The Pamukkale commonly known as “cotton castle” is world’s famous tourist attraction located in southwestern Turkey. This place has an amazing arrangement of natural travertine deposits. Travertine is a type of limestone that is usually deposited by hot springs as carbonate minerals left by the flowing water. This in turn produces a natural phenomenon forming thick white layers of limestone and travertine falling in the form of waterfalls. It gives this place a sensation of a frozen cataract.This place is been declared as World Heritage Site since 1988. It has a total length of 2700m and 160m in height.