Phrygian Valleys The political supremacy of an unknown tribe before called the Phrygians began around 750 BCE. The downfall of the Hittites occurred about 1200 years ago, and caused migration from western lands. The Phrygian Valley is a region that is unmatched in size and natural beauty. The canal, rock fragments, ancient ruins which bear the traces of the Phrygian Civilization, open-air temples, fairy chimneys and 3 thousand years of history are all set among Turkey's 10 most beautiful valleys. The Phrygians established a long-standing culture in the crossroads of Afyonkarahisar to Eskisehir - Kütahya. A wealth of interesting and valuable artistic creations adorn their works such as temple facades from The Mother Goddess Kybele Cult, cut out of large rock blocks with embossed lion reliefs. Aslantaş and Yılantaş, located in the north of Afyonkarahisar, are among the most important Phrygian rock-cut monuments. Maltaş is also located in İhsaniye District, Göynüş Valley. And Kapıkaya I and II are near Döğer town. The most important must-see monuments located in the Phrygian Valley are Aslankaya, Kapıkaya 1-2, and Maltaş open-air temples (Maltaş açık hava tapınağı), Ayazini ruins (Ayazini kalıntıları), and Yedikapılar. Memeç rock settlements, Avdalaz and Bayramaliler castles. Other places of historical importance in the Phrygian Valley are, Kırkinler, Seyildi fairy chimneys, Ağın rock settlement, Ornaş rock settlement and Selimiye Rock tombs.