3. Pamukkale Thermal Pools, Denizli Province, Southwestern Turkey
The word Pamukkale means cotton castle in Turkish. Like the name suggest the limestone walls of the Pamukkale has a cotton castle like outlook. Anyway, it is a great natural thermal pool located in the Denizli province in Southwestern Turkey. It contains a group of hot springs and Travertines. The globally popular Pamukkale has been used as a thermal spa since 2nd century B.C.
The unique castle like shape of Pamukkale was formed by continuous deposition of minerals by the hot springs over the years. This 1.7 mile long natural site contains 17 hot springs in total. The limestone-terraces of Pamukkale get collected with thermal waters from the hot springs. The mineral rich waters of Pamukkale pools also have the power to cure several skin diseases.