The ancient city of Petra, established as early as 312 BC and discovered in 1812, is regarded as one of the world's must see wonders. Mary recounts her journey down the long passage which reveals the "Red City," named for the color of the stone in which the it is carved.
For more about this journey, check out the Mary Clark Traveler website.
Traveler is heard Tuesday mornings at 7:20 during Morning Edition on KETR.