Pamukkale appears in almost every list of places to be seen before you die and visited by almost two million tourists each year. Pamukkale is a place where nature assumed the role of artist and created such majestic beauty. The white travertine cascades resembling frozen waterfalls and terraces of shallow pools were created by the waters of thermal springs reacting with the air. Its allure first noticed by the Romans. The magnificent Hierapolis ancient city was established near the travertine by the Romans. Those unique travertine and the ancient ruins were inscribed in the UNESCO World Heritage List.