Travertine terraces of Pamukkale, Turkey
Travertine terraces of Pamukkale, Turkey (© bybostanci/Getty Images)
Heavenly hot springs
The stunning travertine terraces and hot pools of Pamukkale, Turkey, have dazzled visitors since at least the end of the 2nd century BCE and the founding of the Greco-Roman thermal spa of Hierapolis. Since then, people have enjoyed a relaxing soak in the 36-degree Celsius water, claiming curative powers for many ailments.
© bybostanci/Getty Images