In the summer of 2003, Jordanian archaeologists removed the retaining wall in front of the Khazneh and excavated down 13 to 16 feet (4 –5 m). To their surprise, they found two previously unknown tombs directly below the Khazneh. Access to these tombs had been by steps on one side and an inclined plane on the other. As of 2004, you can see a partial glimpse of one of the tombs below.. Petra, Jordan