Walking through the gorge at Petra, Jordan. (Mamta Badkar/Journey to Jerusalem)

The Treasury at Petra, Jordan discovered by Swiss explorer Johann Ludwig Burckhardt in 1812. (Mamta Badkar/Journey to Jerusalem)

Worshippers from Horizon Christian Fellowship listen to a sermon at Petra, Jordan. Some believe this is the spot where Moses drew water from a rock. (Lim Wui Liang/Journey to Jerusalem)

Camels waiting for customers at Petra, Jordan. (Mamta Badkar/Journey to Jerusalem)

Ruins of the theater at Petra, Jordan. (Sommer Saadi/Journey to Jerusalem)

Donkeys, the most common mode of transport for visitors headed to the monastery at Petra. (Kasrawi/Journey to Jerusalem)

Visitors look on at the monastery, believed to be a Nabatean Temple at Petra. (Lim Wui Liang/Journey to Jerusalem)