Yazılıkaya means 'Inscribed Rock', and that's exactly what you'll find in these outdoor rock galleries, around 2km from Hattuşa. There are two galleries: the larger one, to the left, was the Hittite empire's holiest religious sanctuary; the narrower one, to the right, has the best-preserved carvings. Together they form the largest known Hittite rock sanctuary, sufficiently preserved to make you wish you could have seen the carvings when they were new.
In the larger gallery, Chamber A, there are the faded reliefs of numerous goddesses and pointy-hatted gods marching in procession. Heads and feet are shown in profile, but the torso is shown front on, a common feature of Hittite relief art. The lines of men and women lead to some large reliefs depicting a godly meeting. Teshup stands on two deified mountains (depicted as men) alongside his wife Hepatu, who is standing on the back of a panther. Behind her, their son and (possibly) two daughters are respectively carried by a smaller panther and a double-headed eagle. The largest relief, on the opposite wall, depicts the complex's bearded founder, King Tudhaliya IV, standing on two mountains. The rock ledges were probably used for offerings or sacrifices and the basins for libations.
On the way into Chamber B, you should supposedly ask permission of the winged, lion-headed guard depicted by the entrance before entering. The narrow gallery is thought to be a memorial chapel for Tudhaliya IV, dedicated by his son Suppiluliuma II. The large limestone block could have been the base of a statue of the king. Buried until a century ago and better protected from the elements, the carvings include a procession of 12 scimitar-wielding underworld gods. On the opposite wall, the detailed relief of Nergal depicts the underworld deity as a sword; the four lion heads on the handle (two pointing towards the blade, one to the left and the other to the right) double as the deity's knees and shoulders.