Labraunda’s most important time was 4th century B.C. Especially the years when Persians and Mausolus ruled Caria. Before the Hekatomnid Kingdom, the sanctuary was in the state of a local cult area consisting of an archaic temple and Sycamore Grove. The Mausolus had at first built retaining walls for new and enlarged terraces and a stone-paved road up to Mylasa. He later built a stoa and an andron building for feasts as well. His successor, Idrieus built the new Zeus Temple and the oikoi building behind it, a second andron building, the southern Propylon, and the Doric building. Many structures seen in Labraunda today date from Hellenistic periods. The Hecatomnids had this splendid landscapes and its mystical settings into a cult and pilgrimage sites for the Zeus Labraundos. Zeus Labraundos is thought to have a mystical deity. On the Hecatomnids coins, Zeus is often depicted carrying sceptre in his hand and labrys on his shoulder. Thus, it offers a strong picture. Thousands of Carian people should have been attending this annual sacred festivities held in the honor of Zeus Labraundos. The participants reached Labraunda via the Sacred Way and made offerings in the honor of Zeus. According to legend, the Sky God threw his labrys and cut this hillside into two halves. As a result, the source of fresh spring water appeared in the Rock still gives life to Labraunda site. On the ancient site, there are many 12m wide stone stairs, they must have used as the theater settings to revive the characters of Zeus Labraundos during annual ritual dramas.