Pamukkale, meaning 'Cotton Castle' in Turkish, is a natural site in southwestern Turkey known for its stunning white travertine terraces formed by mineral-rich thermal waters. This UNESCO World Heritage Site is not only famous for its unique geological formations but also for its historical significance, featuring ancient ruins of Hierapolis, a Greco-Roman spa city. Visitors can experience the therapeutic hot springs, explore ancient ruins, and enjoy the breathtaking landscape, making it a must-visit destination for nature lovers and history enthusiasts alike.