The journey from Al-Khazna to the heart of Petra begins with the Outer Siq, where the impressive architectural skills of the Nabataeans are showcased through intricate tomb designs. This area features a row of monumental Nabataean tombs carved into the southern cliff face, including tombs 67, 68, 69, and 70. Tomb 67 is particularly noteworthy for its upper funeral chamber, earning it the nickname "thief tomb" due to a local Bedouin legend of a thief seeking refuge there. Adjacent to Tomb 67 stands Tomb 70, towering over 15 meters high and carved out on three sides, adorned with bricked-up crenellations. Its prominent location suggests its potential significance. Opposite Tomb 70, six tombs are situated, with Tomb 825 standing out as the most notable. Tomb 825 is topped by half-crow steps and an Egyptian cavetto, containing seventeen graves and a vaulted recess. Funerary stelae within bear Nabataean names such as "Nefesh Zayd Qawmw bin Yaqum" and "Yaqum bin Zayd Qawmw.