Güzelyurt has a pretty amazing underground city. I went down one level, then my claustrophobia took a hold and I had top get back out. You climb down through narrow shafts, with steps cut out of the walls. There is also a nice rock-cut Byzantine church in Güzelyurt with nice ceiling paintings.
View of the rock face with the underground city. (625k)
Entrances to the underground city. (541k)
In one of the rooms in the underground city. (285k)
A shaft going down to the next lower level in the underground city. (415k)
Age-worn steps leading up to the church. (357k)
Part of the church is regular building, most of it is cut into the rock. (567k)