Derinkuyu Underground City is one of several underground cities in the Cappadocia region of Turkey. Cappadocia itself is a natural wonder that civilizations throughout history utilized for its landscape. The surreal vista of Cappadocia is dotted with stone volcanic chimneys known as "fairy chimneys." People carved dwellings, churches and stables out of these chimneys and other stone in Cappadocia. There are even structures in the area that modern man refer to as castles, though they are very unlike European castles that the word typically brings to mind. In a way, wind, time, rain and construction techniques have rendered the structures…