sign up (free!)
Also on these boards
Pamukkale, meaning "cotton castle" in Turkish, is a natural site in Denizli Province in southwestern Turkey. The city contains hot springs and travertines, terraces of carbonate minerals left by the flowing water. It is located in Turkey's Inner Aegean region, in the River Menderes valley.
We all know about Old Faithful but you should go off the beaten path and visit Grand Prismatic Spring also in Yellowstone National Park. These beautiful colors are natural! (Photo: Krzysztof Wiktor/Shutterstock)