We couldn't help humming the theme of Indiana Jones while meandering through Petra's Siq, an easily defended narrow gorge that acts as the city's eastern gate. We had it stuck in our head for two days as we spent almost every daylight hour exploring the ancient city's burial tombs carved deep into the mesmerizing rock faces.

"A rose-red city half as old as time," is the description John William Burgon used in a poem. But words can't do it justice and neither can these photos.