Hot streams of mineral-rich water flowing down the hillside have caused this unique natural phenomenon. Warm water pools in the brilliant white travertine terraces. Many swim in the warm waters of the Sacred Pool atop the terraces, where it is said Cleopatra once bathed. Where: Pamukkale, Turkey.
This is the largest of the world’s salt flats, measuring over 10 000 square kilometers. This remarkably flat surface is used to calibrate distance measuring equipment on satellites. A lack of depth cues makes it a popular spot for tourists to snap entertaining optical illusions. In […]