White Cotton Cliffs of Pamukkale is one of the most beautiful places on Earth. The cliffs are made of natural limestone that has been formed over thousands of years. The Pamukkale hot springs have made the cliffs a popular tourist destination for centuries. The cliffs are also home to a number of ancient ruins, including the Roman city of Hierapolis. Today, Pamukkale is a UNESCO World Heritage Site and one of Turkey’s most popular tourist destinations.