Underground Cities in the borders of Akören in Karapınar are for away 40 kilometers to Ereğli, 100 kilometers to Konya. Karaca Mountain is extinguished volcano and 36 underground cities unrelated each other were built by carving main rocks in region which are granite tafa layers and calcarous. Because of attacking of Arab to the region, people lived in meadow built underground cities to save their life in Karaca Mountain valleys. Interior places have some outhouses; such as, horsestable, dungeons, rooms, galleries, church, cistyern and air chimneys. Inn some galleries formed well, nicks were built to step on all sides. Pulley system were built to have children brought down here and it was built the first elevator in the world. The galleries built to defense are shapes that a person could only pass in it. A system with voult was used to reduce the pressure on the ceiling of rooms. According to the need. Underground cities were getting exponded by doining rooms. Number 11 underground City has ten rooms and eleven galleries. It is possible to see vineyards, church and ruins continuing daily life outdoor. Wineworks were built on a system with planning. ( pressing, resting, drainage and storing ) They were built for the same aim with underground cities in Cappadocia, and archeological excavations in underground cities in Karaca Mountain are still continued. When environment monitoring and substructure problems are solved, they will be a gerat potential for tourism.