Pamukkale (means Cotton Castle) was famous for hundred years, since 2nd century BC. Spa water is used for healing. Hierapolis is known as a Hellenistic city and is in Unesco word heritage list.
Safranbolu - It is one of the old Ottoman style towns with its well-preserved houses. There are 1008 old houses confirmed by authorities as older than 100 years and still original. Near Yoruk village is also worth-seeing. It counts as World Heritage by UNESCO.
Cappadocia - The fairy tale of the nature was started million years ago with volcanoes. Then wind, rain and the temperature differences started to give shape to the region and humans added the meaning and the spirit. This region is the perfect place where you can see various types of natural environment, history and art.