Iran Mammoth Hot Springs in the United States Pink and White Terraces in New Zealand Hierve el Agua in Mexico Bagni San Filippo in Siena, Italy Baishuitai in China Tatev in Armenia Terme di Saturnia in Italy Huanglong Scenic and Historic Interest Area in Sichuan, China Notes Further reading Turkey's mysterious portal to the underworld - BBC External links Pamukkale official site Pamukkale - spherical panorama 360 degree UNESCO World Heritage site datasheet The Marble Stairs of Heaven on Earth: Pamukkale Hierapolis-Pamukkale at NASA Earth Observatory Video from Pamukkale (4k, UltraHD) Top Tips For Visiting Pamukkale In The Summer Archaeological sites in the Aegean Region Articles containing video clips Denizli Hot springs of Turkey World Heritage Sites in Turkey Geography of Denizli Province Landforms of Denizli Province Tourist attractions in Denizli Province Protected areas of Turkey Pamukkale District First 100 IUGS Geological Heritage Sites