After leaving Istanbul, we took an overnight bus to the Cappadocia region of central Turkey. The land here is filled with strange rock structures and pockmarked with caves. For thousands of years, the local people have been carving caves into the soft rock. You can see the town that is nestled into the rocks in the distance. In historic times, the cities were completely hidden underground. There were thousands of feet of tunnels and hundreds of rooms in some of these complexes. For protection from outsiders, the only evidence of their existence were several well-hidden entrances. Today many of the rocks have partially collapsed, exposing some of the rooms of the complexes.