Pamukkale Turkey and Hieropolis Travel Planner
One of the most interesting geological sites in Turkey is in the town of Pamukkale, the "cotton castle" of terraced pools caused by cascading calcium rich mineral springs. You can also visit the ancient ruins of Hieropolis here, an interesting archaeological site.

Trailmonkey's Virtual Pamukkale Adventure
Great depiction of a visit to Pamukkale, with loads of good information for the traveler.

Pamukkale Information
Basic info for visitors to Pamukkale.

Map of Hieropolis
A map of the ruins of Hieropolis at Pamukkale.