"THE COTTON CASTLE" in Turkey - Pamukkale, Turkey. This is a natural attraction in southwestern Turkey. Snow white terraces are made of travertine, a sedimentary rock that is deposited by water flowing from the hot springs.
If I ever go back to Turkey. Amazing place in Pamukkale, Turkey The Pamukkale travertine pools are a strange formation caused by thermal springs that have been going forever. The mineral composition of the water creates white travertine pools.